The document discusses various operating systems including:
1. LynxOS, a Unix-like real-time operating system produced by LynuxWorks for use in embedded systems.
2. Various versions of Microsoft Windows operating systems from Windows 1.0 to Windows 7.
3. Other operating systems mentioned include OS/2, NetWare, TSOS, and SUSE Linux.
Microsoft Windows has evolved over 29 years from Windows 1 to Windows 10, with major changes to the user interface and functionality at each new version. Some key developments include the introduction of the Start menu and button in Windows 95, touch and tablet optimizations in Windows 8, and a return to the familiar desktop interface along with new "universal apps" in Windows 10. Windows 10 aims to unify Microsoft's platforms by running the same software across PCs, tablets, phones and other devices.
The document compares Windows, Linux, and Macintosh operating systems. It provides introductions and descriptions of each OS, including their origins, features, and technical specifications. It discusses advantages and disadvantages of Linux and Windows, and provides a comparative view of Windows vs Macintosh. The summary compares Linux and Macintosh, noting Linux has more customizability and security while Macintosh is easier to use but more expensive.
Windows 1.0 was the first version of the Windows operating system released by Microsoft in 1985. It provided a graphical user interface and ability to run multiple applications at once on PCs, representing Microsoft's initial attempt to implement a GUI-based multi-tasking environment. However, Windows 1.0 had limited functionality and relied on MS-DOS. It was succeeded by Windows 2.0 in 1987.
Windows 1.0 was Microsoft's first graphical operating environment released in 1985. It provided a new way for users to interact with applications through a mouse and graphical user interface rather than typing commands. Windows 1.0 offered limited multitasking of MS-DOS programs and introduced an application programming interface and framework to pave the way for future Windows versions. It was superseded by Windows 2.0 in 1987.
Process management, memory management, interrupts, graphical user interfaces, and operating systems are described. Specifically, the document discusses how operating systems allocate resources and memory to processes, enable process synchronization through interrupts, and use graphical user interfaces for user interaction. It then provides brief descriptions of the Windows 98, Windows XP, Windows Vista, Windows 7, and Linux operating systems.
Windows 10 is a successor to Windows 8.1 currently in public beta testing. It aims to address issues with Windows 8 by returning to a more familiar desktop layout and including the start menu. Windows 10 promises to provide a user experience that appeals to both basic and power users by ironing out flaws of previous versions. It incorporates feedback from Windows 7 and 8 to create a more unified operating system across devices.
The document discusses various operating systems including:
1. LynxOS, a Unix-like real-time operating system produced by LynuxWorks for use in embedded systems.
2. Various versions of Microsoft Windows operating systems from Windows 1.0 to Windows 7.
3. Other operating systems mentioned include OS/2, NetWare, TSOS, and SUSE Linux.
Microsoft Windows has evolved over 29 years from Windows 1 to Windows 10, with major changes to the user interface and functionality at each new version. Some key developments include the introduction of the Start menu and button in Windows 95, touch and tablet optimizations in Windows 8, and a return to the familiar desktop interface along with new "universal apps" in Windows 10. Windows 10 aims to unify Microsoft's platforms by running the same software across PCs, tablets, phones and other devices.
The document compares Windows, Linux, and Macintosh operating systems. It provides introductions and descriptions of each OS, including their origins, features, and technical specifications. It discusses advantages and disadvantages of Linux and Windows, and provides a comparative view of Windows vs Macintosh. The summary compares Linux and Macintosh, noting Linux has more customizability and security while Macintosh is easier to use but more expensive.
Windows 1.0 was the first version of the Windows operating system released by Microsoft in 1985. It provided a graphical user interface and ability to run multiple applications at once on PCs, representing Microsoft's initial attempt to implement a GUI-based multi-tasking environment. However, Windows 1.0 had limited functionality and relied on MS-DOS. It was succeeded by Windows 2.0 in 1987.
Windows 1.0 was Microsoft's first graphical operating environment released in 1985. It provided a new way for users to interact with applications through a mouse and graphical user interface rather than typing commands. Windows 1.0 offered limited multitasking of MS-DOS programs and introduced an application programming interface and framework to pave the way for future Windows versions. It was superseded by Windows 2.0 in 1987.
Process management, memory management, interrupts, graphical user interfaces, and operating systems are described. Specifically, the document discusses how operating systems allocate resources and memory to processes, enable process synchronization through interrupts, and use graphical user interfaces for user interaction. It then provides brief descriptions of the Windows 98, Windows XP, Windows Vista, Windows 7, and Linux operating systems.
Windows 10 is a successor to Windows 8.1 currently in public beta testing. It aims to address issues with Windows 8 by returning to a more familiar desktop layout and including the start menu. Windows 10 promises to provide a user experience that appeals to both basic and power users by ironing out flaws of previous versions. It incorporates feedback from Windows 7 and 8 to create a more unified operating system across devices.
DOS was a dominant operating system for IBM PC compatible computers between 1981-1995. It included operating systems like MS-DOS, PC-DOS, and DR-DOS. MS-DOS was the most commonly used and was the main OS for PCs during the 1980s-mid 1990s. It was eventually replaced by graphical operating systems like Windows. DOS used text-based interfaces and commands and had limitations like no multi-tasking support. While rarely used today, it played an important role in personal computing history.
Microsoft announced the development of Windows in 1983 as a graphical user interface for MS-DOS. Windows has evolved over two families of designs - 3.x and 4.x included Windows 95 which completed the migration to 32-bit code, while the NT family started with NT 3.1 in 1993 and uses a newer kernel. Windows now runs on many processor architectures and has changed from a GUI product to a modern operating system.
The document discusses several network operating systems including:
- The Cambridge Ring, an experimental local area network developed at Cambridge University in the 1970s-1980s.
- CSIRONET, the CSIRO computing network in Australia that evolved from interactive terminals to over 250 terminals and 50 computers scattered across Australia.
- CTOS, the Convergent Technologies Operating System, was a modular, message-passing, multi-process operating system with innovative features like long file names and hierarchical security.
- Data ONTAP, NetApp's software that creates a storage grid architecture by pooling resources across NAS arrays through a single global namespace.
Windows 2.0 was the successor to Windows 1.0 and was released in 1987. It allowed application windows to overlap and introduced features like minimize and maximize. It also integrated the control panel and provided support for VGA graphics. New versions of Microsoft Word and Excel were also released for Windows 2.0. Although third party support increased, most developers still maintained DOS versions of their applications since Windows users were still a minority.
Windows 95 was a significant update to Microsoft's Windows operating system, released in 1995. It featured a new graphical user interface, long file names, support for 32-bit applications, and integrated Internet Explorer. Windows 95 improved stability and performance over previous Windows versions by running on top of MS-DOS as an integrated operating system rather than a separate graphical shell. It was a major commercial success and became the most widely used operating system at the time, establishing many interface elements still used in modern versions of Windows.
The document discusses the history and features of different versions of the Windows operating system. It describes Windows 1.0-2.0 as the first graphical user interface versions. Windows 3.0 introduced virtual memory and better multitasking. Windows 95 was a complete operating system that improved the interface. Later versions such as Windows 7, 8, 10 focused on touch optimization, cloud integration, and addressing interface issues. The document also outlines common operating system functions like process management, memory management, and device management implemented across Windows versions.
Windows 2000 was a business-oriented operating system released by Microsoft in 2000 as the successor to Windows NT 4.0. It featured improvements in security, accessibility, and system administration tools. New features included encryption of files and folders, Active Directory integration, and management consoles. While marketed as the most secure Windows yet, it was still affected by viruses and security issues in its lifetime.
Microsoft Windows is a popular operating system that has evolved over several versions since its introduction in 1985. It has the largest market share of any operating system and is pre-installed on most computers. Windows uses programming languages like Visual Basic, C#, C++, and Transact-SQL. It provides features like program execution, user interfaces, input/output handling, error handling, memory management, and process management. People use Windows because of its wide software and hardware support, ease of use, and familiarity for most users. While popular, it also has disadvantages like higher costs and security vulnerabilities compared to other operating systems.
The document summarizes the evolution of the Windows operating system from version 1.0 in 1985 to version 10 in 2015. It describes the key features and changes introduced in each major version, including the transition from DOS-based Windows 9x to the NT kernel and the introduction of touch capabilities. The different versions reflected technological advances like increased memory, preemptive multitasking, and support for wireless networks and digital media.
Windows Millennium Edition (Windows ME) was the last operating system in Microsoft's Windows 9x series, released in 2000 as the successor to Windows 98. It included Internet Explorer 5.5, Windows Media Player 7, and basic video editing software. While aimed at home users, it incorporated some features from the business-oriented Windows 2000 like personalized menus and search capabilities. Microsoft ended support for Windows ME in 2006.
windows operating system and its advancementsparthrai2
The document provides a history of operating systems from their early absence in 1940s computers through modern versions like Windows 7. It traces the evolution from batch processing systems in the 1950s to graphical user interfaces in Windows 95. The document also defines what an operating system is and describes common operating system features like program execution, interfaces, input/output handling, error handling, memory management, and process management. It concludes by listing several Windows operating systems from Windows 95 through Windows 7.
System software is creating a modern world Kawsar Ahmed
System software is a type of computer program that runs a computer's hardware and allows it to run application programs. The most well-known example of system software is the operating system, which manages other programs and resources. Windows, developed by Microsoft, is a powerful system software that provides a graphical user interface and platform to run applications. It was first released in 1985 and has continued evolving through various versions to its current form, with over 1 billion users worldwide.
LynxOS is a Unix-like real-time operating system used in embedded systems for applications like avionics, aerospace, military, and industrial process control. MicroC/OS-II is a low-cost priority-based pre-emptive real-time multitasking operating system kernel written in C and intended for use in embedded systems. Windows 2000 succeeded Windows NT 4.0 as a business desktop and server operating system from Microsoft, being the final release to display "Windows NT" in the name.
This document provides an overview of different versions of the Microsoft Windows operating system:
1. It describes what an operating system is and gives a brief history of how Microsoft developed Windows to overcome limitations of MS-DOS.
2. It then lists and provides brief details about major Windows versions released from Windows 1.0 to the current Windows 10, including important features and dates of different versions like Windows 95, Windows NT, Windows XP, Windows Vista, Windows 7, Windows 8, and Windows 10.
3. For some versions like Windows NT, Windows XP, Windows Vista, Windows 7, and Windows 8, it highlights some of their key features and improvements over previous versions.
Windows has evolved over time from 1981 to present day, starting as an operating system called MS-DOS that used a command line interface. Major releases included Windows 1.0 in 1985 which added a graphical shell, Windows 95 in 1995 which moved to a 32-bit architecture and introduced the Start menu, and Windows 10 in 2015 which incorporated Cortana and returned the Start button. Each new version of Windows aimed to improve the user experience with new features, address issues, and support newer hardware.
Windows 2000 is a multitasking operating system that improved on previous Windows versions with features like Active Directory for distributed processing. It uses a modified microkernel architecture with modules like the I/O manager and object manager. Processes can be system support processes, servers, environment subsystems that interface with user applications, or user applications themselves which can be Win32, Posix, OS/2, Windows 3.1 or MS-DOS types.
Windows has evolved over time from 1981 to present:
1. MS-DOS was Microsoft's first operating system in 1981, followed by Windows 1.0 in 1985 which added a graphical user interface on top of MS-DOS.
2. Major versions included Windows 95 in 1995 which introduced the Start button and taskbar, Windows XP in 2001 which improved the user interface, and Windows 7 in 2009 which improved performance.
3. Each new version brought improvements like better memory management, security, networking features, and support for new hardware, moving from a command line interface to the modern graphical user interface and multi-tasking capabilities of current versions of Windows.
Microsoft Windows is a series of graphical operating systems produced by Microsoft. The document discusses the history and advancements of various Windows operating systems from the early versions of Windows 1.0 and 2.0 through recent versions like Windows 7. It covers improvements in areas like memory management, support for longer file names, plug and play hardware detection, and a switch to a 32-bit architecture starting with Windows 95. Later versions like Windows NT, 2000, Vista and 7 brought further stability improvements and new features.
- The document provides a history of various versions of the Windows operating system from Windows 1.0 in 1985 to Windows NT 3.51 in 1995. It discusses the system requirements, new features, and programs included for each major version. The document also briefly mentions some other common operating systems like macOS and Linux.
1. pSOS (Portable Software On Silicon) is a real-time operating system developed in the 1980s. It uses static table driven and static priority driven preemptive scheduling algorithms. It has advantages like control jumps to kernel on interrupts and loadable/removable device drivers. Disadvantages include a steep learning curve and sometimes lacking compatibility with new hardware.
2. RTX is a real-time operating system that has variants for large/medium and small embedded applications. It uses static and dynamic scheduling algorithms like static table driven, rate monotonic, and earliest deadline first. It was initially developed in the 1980s.
This document describes an FPGA lab project involving interfacing a real-time clock (RTC) module with an FPGA. It includes sections on the RTC module, I2C protocol, FPGA kit, schematic, Verilog code, hardware implementation, and conclusions. The Verilog code shows an I2C state machine for communicating with the RTC over I2C to read the current time and display it on LEDs connected to the FPGA.
myRide: A Real-Time Information System for the Carnegie Mellon University Shu...Karen Mesko
http://myride.heinz.cmu.edu
myRide is a real-time transit information system for the Carnegie Mellon University Shuttle. It was built by Heinz College graduate students in the fall of 2009. The pilot will end in December 2009, but the website (http://myride.heinz.cmu.edu) will remain up as we work to make myRide a permanent system at Carnegie Mellon.
DOS was a dominant operating system for IBM PC compatible computers between 1981-1995. It included operating systems like MS-DOS, PC-DOS, and DR-DOS. MS-DOS was the most commonly used and was the main OS for PCs during the 1980s-mid 1990s. It was eventually replaced by graphical operating systems like Windows. DOS used text-based interfaces and commands and had limitations like no multi-tasking support. While rarely used today, it played an important role in personal computing history.
Microsoft announced the development of Windows in 1983 as a graphical user interface for MS-DOS. Windows has evolved over two families of designs - 3.x and 4.x included Windows 95 which completed the migration to 32-bit code, while the NT family started with NT 3.1 in 1993 and uses a newer kernel. Windows now runs on many processor architectures and has changed from a GUI product to a modern operating system.
The document discusses several network operating systems including:
- The Cambridge Ring, an experimental local area network developed at Cambridge University in the 1970s-1980s.
- CSIRONET, the CSIRO computing network in Australia that evolved from interactive terminals to over 250 terminals and 50 computers scattered across Australia.
- CTOS, the Convergent Technologies Operating System, was a modular, message-passing, multi-process operating system with innovative features like long file names and hierarchical security.
- Data ONTAP, NetApp's software that creates a storage grid architecture by pooling resources across NAS arrays through a single global namespace.
Windows 2.0 was the successor to Windows 1.0 and was released in 1987. It allowed application windows to overlap and introduced features like minimize and maximize. It also integrated the control panel and provided support for VGA graphics. New versions of Microsoft Word and Excel were also released for Windows 2.0. Although third party support increased, most developers still maintained DOS versions of their applications since Windows users were still a minority.
Windows 95 was a significant update to Microsoft's Windows operating system, released in 1995. It featured a new graphical user interface, long file names, support for 32-bit applications, and integrated Internet Explorer. Windows 95 improved stability and performance over previous Windows versions by running on top of MS-DOS as an integrated operating system rather than a separate graphical shell. It was a major commercial success and became the most widely used operating system at the time, establishing many interface elements still used in modern versions of Windows.
The document discusses the history and features of different versions of the Windows operating system. It describes Windows 1.0-2.0 as the first graphical user interface versions. Windows 3.0 introduced virtual memory and better multitasking. Windows 95 was a complete operating system that improved the interface. Later versions such as Windows 7, 8, 10 focused on touch optimization, cloud integration, and addressing interface issues. The document also outlines common operating system functions like process management, memory management, and device management implemented across Windows versions.
Windows 2000 was a business-oriented operating system released by Microsoft in 2000 as the successor to Windows NT 4.0. It featured improvements in security, accessibility, and system administration tools. New features included encryption of files and folders, Active Directory integration, and management consoles. While marketed as the most secure Windows yet, it was still affected by viruses and security issues in its lifetime.
Microsoft Windows is a popular operating system that has evolved over several versions since its introduction in 1985. It has the largest market share of any operating system and is pre-installed on most computers. Windows uses programming languages like Visual Basic, C#, C++, and Transact-SQL. It provides features like program execution, user interfaces, input/output handling, error handling, memory management, and process management. People use Windows because of its wide software and hardware support, ease of use, and familiarity for most users. While popular, it also has disadvantages like higher costs and security vulnerabilities compared to other operating systems.
The document summarizes the evolution of the Windows operating system from version 1.0 in 1985 to version 10 in 2015. It describes the key features and changes introduced in each major version, including the transition from DOS-based Windows 9x to the NT kernel and the introduction of touch capabilities. The different versions reflected technological advances like increased memory, preemptive multitasking, and support for wireless networks and digital media.
Windows Millennium Edition (Windows ME) was the last operating system in Microsoft's Windows 9x series, released in 2000 as the successor to Windows 98. It included Internet Explorer 5.5, Windows Media Player 7, and basic video editing software. While aimed at home users, it incorporated some features from the business-oriented Windows 2000 like personalized menus and search capabilities. Microsoft ended support for Windows ME in 2006.
windows operating system and its advancementsparthrai2
The document provides a history of operating systems from their early absence in 1940s computers through modern versions like Windows 7. It traces the evolution from batch processing systems in the 1950s to graphical user interfaces in Windows 95. The document also defines what an operating system is and describes common operating system features like program execution, interfaces, input/output handling, error handling, memory management, and process management. It concludes by listing several Windows operating systems from Windows 95 through Windows 7.
System software is creating a modern world Kawsar Ahmed
System software is a type of computer program that runs a computer's hardware and allows it to run application programs. The most well-known example of system software is the operating system, which manages other programs and resources. Windows, developed by Microsoft, is a powerful system software that provides a graphical user interface and platform to run applications. It was first released in 1985 and has continued evolving through various versions to its current form, with over 1 billion users worldwide.
LynxOS is a Unix-like real-time operating system used in embedded systems for applications like avionics, aerospace, military, and industrial process control. MicroC/OS-II is a low-cost priority-based pre-emptive real-time multitasking operating system kernel written in C and intended for use in embedded systems. Windows 2000 succeeded Windows NT 4.0 as a business desktop and server operating system from Microsoft, being the final release to display "Windows NT" in the name.
This document provides an overview of different versions of the Microsoft Windows operating system:
1. It describes what an operating system is and gives a brief history of how Microsoft developed Windows to overcome limitations of MS-DOS.
2. It then lists and provides brief details about major Windows versions released from Windows 1.0 to the current Windows 10, including important features and dates of different versions like Windows 95, Windows NT, Windows XP, Windows Vista, Windows 7, Windows 8, and Windows 10.
3. For some versions like Windows NT, Windows XP, Windows Vista, Windows 7, and Windows 8, it highlights some of their key features and improvements over previous versions.
Windows has evolved over time from 1981 to present day, starting as an operating system called MS-DOS that used a command line interface. Major releases included Windows 1.0 in 1985 which added a graphical shell, Windows 95 in 1995 which moved to a 32-bit architecture and introduced the Start menu, and Windows 10 in 2015 which incorporated Cortana and returned the Start button. Each new version of Windows aimed to improve the user experience with new features, address issues, and support newer hardware.
Windows 2000 is a multitasking operating system that improved on previous Windows versions with features like Active Directory for distributed processing. It uses a modified microkernel architecture with modules like the I/O manager and object manager. Processes can be system support processes, servers, environment subsystems that interface with user applications, or user applications themselves which can be Win32, Posix, OS/2, Windows 3.1 or MS-DOS types.
Windows has evolved over time from 1981 to present:
1. MS-DOS was Microsoft's first operating system in 1981, followed by Windows 1.0 in 1985 which added a graphical user interface on top of MS-DOS.
2. Major versions included Windows 95 in 1995 which introduced the Start button and taskbar, Windows XP in 2001 which improved the user interface, and Windows 7 in 2009 which improved performance.
3. Each new version brought improvements like better memory management, security, networking features, and support for new hardware, moving from a command line interface to the modern graphical user interface and multi-tasking capabilities of current versions of Windows.
Microsoft Windows is a series of graphical operating systems produced by Microsoft. The document discusses the history and advancements of various Windows operating systems from the early versions of Windows 1.0 and 2.0 through recent versions like Windows 7. It covers improvements in areas like memory management, support for longer file names, plug and play hardware detection, and a switch to a 32-bit architecture starting with Windows 95. Later versions like Windows NT, 2000, Vista and 7 brought further stability improvements and new features.
- The document provides a history of various versions of the Windows operating system from Windows 1.0 in 1985 to Windows NT 3.51 in 1995. It discusses the system requirements, new features, and programs included for each major version. The document also briefly mentions some other common operating systems like macOS and Linux.
1. pSOS (Portable Software On Silicon) is a real-time operating system developed in the 1980s. It uses static table driven and static priority driven preemptive scheduling algorithms. It has advantages like control jumps to kernel on interrupts and loadable/removable device drivers. Disadvantages include a steep learning curve and sometimes lacking compatibility with new hardware.
2. RTX is a real-time operating system that has variants for large/medium and small embedded applications. It uses static and dynamic scheduling algorithms like static table driven, rate monotonic, and earliest deadline first. It was initially developed in the 1980s.
This document describes an FPGA lab project involving interfacing a real-time clock (RTC) module with an FPGA. It includes sections on the RTC module, I2C protocol, FPGA kit, schematic, Verilog code, hardware implementation, and conclusions. The Verilog code shows an I2C state machine for communicating with the RTC over I2C to read the current time and display it on LEDs connected to the FPGA.
myRide: A Real-Time Information System for the Carnegie Mellon University Shu...Karen Mesko
http://myride.heinz.cmu.edu
myRide is a real-time transit information system for the Carnegie Mellon University Shuttle. It was built by Heinz College graduate students in the fall of 2009. The pilot will end in December 2009, but the website (http://myride.heinz.cmu.edu) will remain up as we work to make myRide a permanent system at Carnegie Mellon.
The document discusses real-time systems and scheduling strategies for tasks in real-time systems. It defines real-time systems as systems that must respond to inputs within a specified time period. It describes different types of tasks (periodic, aperiodic, sporadic) and characteristics of real-time systems like determinism and responsiveness. It also summarizes common scheduling algorithms for real-time tasks like cyclic executive, rate monotonic scheduling, earliest deadline first scheduling and compares static priority versus dynamic priority scheduling.
This document describes an embedded real-time system for autonomous flight control of an aircraft model. The system uses sensors like gyroscopes and accelerometers to acquire sensory data and control actuators like motors for autonomous flight. It is implemented on a microcontroller using the Erika Enterprise real-time kernel to manage tasks for flight control, communication with a ground station, and power consumption of devices. The system aims to allow both manual and autonomous flight modes while managing limited onboard resources in real-time.
Fault tolerance techniques for real time operating systemanujos25
This document discusses fault tolerance techniques for real-time operating systems. It covers techniques for memory management, kernel considerations, process and thread management, scheduling, and I/O management. The key techniques discussed include redundancy, error correcting code memory, event logging, static scheduling tables, and replication to allow real-time operating systems to continue operating reliably in the presence of faults and failures. The goal of these techniques is to ensure safety-critical systems can meet all requirements and avoid catastrophes even if faults occur.
The document describes a project to simulate an anti-collision system for trains using Erlang. Key aspects include:
1) The project uses Erlang processes and an in-memory cache to store train positions and status updates for fast access by the analyzer module.
2) The analyzer module uses a deadline monotonic algorithm to analyze train positions and schedules and determine if trains can run or if collisions may occur.
3) The simulation was tested with various scenarios and timing graphs, and the project successfully demonstrated real-time anti-collision detection and response.
This document discusses real-time operating systems (RTOS). It defines an RTOS as a multitasking OS that meets time deadlines and functions in real-time constraints. The document outlines RTOS architecture, including the kernel that provides abstraction between software and hardware. It also discusses RTOS features like tasks, scheduling, timers, memory management, and inter-task communication methods. Examples of RTOS applications include medical devices, aircraft control systems, and automotive components.
This document describes the design and implementation of a real-time network monitoring system. The system allows a network administrator to monitor network resources in real-time from both client and server interfaces. It was developed using a waterfall software engineering model and uses technologies like Java, MySQL, and Linux to enable cross-platform functionality with low hardware requirements. Testing was conducted and future enhancements are proposed to expand the system's monitoring capabilities.
The document discusses several operating systems including:
- LynxOS, a Unix-like real-time operating system used in embedded systems
- MicroC/OS-II, a low-cost priority-based pre-emptive real-time multitasking operating system kernel for microprocessors used in embedded systems
- Xenix, a version of Unix licensed by Microsoft from AT&T and later distributed by SCO
- Novell's NetWare, a network operating system that initially used cooperative multitasking and was superseded by Open Enterprise Server
- SUSE, a major retail operating system produced by Novell
The document discusses various computer operating systems including their definitions, types, examples, and brief histories. It covers operating systems such as DOS, Windows NT, Windows 9x, Windows XP, Mac OS, and others, providing basic information about each one such as what they are, when they were developed, and their key features and purposes.
The document provides a history of Microsoft operating systems from 1985 to present day, including:
- MS-DOS (Microsoft Disk Operating System), the precursor to Windows operating systems
- Early Windows versions 1.0 through 3.1 that introduced graphical user interfaces
- Major Windows releases such as Windows 95, 98, ME, NT, 2000, XP, 7, 8, and 10
- Related Microsoft operating systems including Windows Server, Windows Home Server, Windows CE, Windows Mobile, and Windows Phone.
Microsoft Windows is a family of operating systems that dominates the personal computer world, running on over 90% of personal computers. It provides a graphical user interface, virtual memory, multitasking, and support for many devices. The Windows operating systems evolved from early versions like MS-DOS and Windows 1.0-2.0, which introduced the windows interface, to Windows 3.0-3.1 which established the standard Windows look and feel, to Windows 95 which supported 32-bit applications and removed DOS limitations, and Windows 98 which integrated the web browser into the operating system.
The document discusses the history and features of various Windows operating systems, including:
- Windows was developed by Microsoft to overcome limitations of MS-DOS and the first successful version was Windows 3.0 in 1990. Common versions included Windows 95, 98, 2000, XP, Vista, 7, 8, and 8.1.
- Early systems included MS-DOS, Windows 95 which included a DOS emulator, and Windows NT which did not use DOS.
- Windows 2000 was the last to use the "Windows NT" designation before being succeeded by Windows XP for desktops and Windows Server 2003 for servers.
- Newer versions like Windows 7, 8, and 8.1 focused on improvements
Microsoft Corporation is a leading software and technology company headquartered in Redmond, Washington. It develops and sells the widely used Windows operating system, which has evolved over several versions from Windows 1.0 in 1985 to the current Windows 10. Microsoft also produces other popular software like Office and was founded in 1975 by Bill Gates and Paul Allen.
Microsoft Windows is a series of graphical operating systems produced by Microsoft starting in 1985. It was created as an add-on to MS-DOS in response to growing interest in graphical user interfaces (GUIs). Windows became a de facto standard operating system for individual users and corporations due to its inclusion of common business applications like Microsoft Office. The original Windows versions introduced many GUI concepts pioneered at Xerox PARC and in the Apple Lisa and Macintosh computers. The Windows family now includes Windows 95, 98, 2000, XP, Vista, and 7, with each new version improving the user interface and adding new features.
Windows 1.0 was the first version of the Windows operating system released by Microsoft in 1985. It provided a graphical user interface and mouse support, allowing users to run multiple applications at the same time. However, Windows 1.0 could only display windows in a tiled format and had limited functionality compared to later versions. It required at least 384KB of RAM, a graphics card, and was built on top of the MS-DOS operating system. Windows 1.0 helped drive adoption of the graphical user interface on PCs and was superseded by Windows 2.0 in 1987.
Windows 1.0 was the first version of the Windows operating system released by Microsoft in 1985. It provided a graphical user interface and mouse support, allowing users to run multiple applications at the same time. However, Windows 1.0 had limited functionality and could only display windows in a tiled format rather than overlapping. It required other software like MS-DOS to function and saw limited adoption. Windows 1.0 was later superseded by improved versions like Windows 2.0 and newer releases from Microsoft.
Microsoft Corporation is a multinational technology company headquartered in Redmond, Washington. It develops, manufactures, licenses, and supports software products including the Windows operating system, Office productivity suite, and other software. Some of Microsoft's most successful products have been Windows, Office, and Xbox. Microsoft was founded in 1975 by Bill Gates and Paul Allen and has grown to become one of the largest and most valuable companies in the world.
This document provides an overview of the history and key aspects of the Windows operating system:
- Windows has evolved from early versions like Windows 1.0 in 1985 to the current Windows 98 and Windows NT, which are 32-bit graphical operating systems.
- Key aspects of Windows include its graphical user interface, preemptive multitasking, memory management, use of dynamic link libraries, and device-independent graphics interface.
- Central to Windows is the concept of dynamic linking, where functions are implemented in dynamic link library files located in the Windows system directories. These functions provide the Windows APIs that applications use.
Windows 1.0 was the first version of the Windows operating system released by Microsoft in 1985. It provided a graphical user interface and ability to run multiple applications at once on PCs, representing Microsoft's initial attempt to implement a GUI on the platform. However, Windows 1.0 had limited functionality and required DOS to run. It was succeeded by Windows 2.0 in 1987.
Windows 3.0 was a major release of the Windows operating system that improved performance and graphics over previous versions. It included new programs like Program Manager and File Manager, supported 16-color graphics, and could run on 80286 and 80386 processors. Windows 3.0 was widely adopted and helped Microsoft become a powerful rival to Apple and Commodore in the GUI market.
Microsoft Windows is an operating system developed by Microsoft. The document provides a history of Microsoft Windows versions from the 1970s to 2015. It discusses early versions like DOS and Windows 3.0 and highlights popular releases such as Windows 95, Windows XP, and Windows 7. For each version, it provides the release date and some key features and changes introduced. The document also includes brief sections on installing Windows and active desktop.
The document discusses several popular operating systems including Microsoft Windows, Mac OS, and Android. It provides an overview of each major version of Windows from Windows 2000 to Windows 8.1, describing their key new features and how they upgraded previous versions. It also briefly outlines Mac OS X and Android, noting that Mac OS is designed for Apple computers while Android was developed by Google for mobile devices and some laptops.
Microsoft Corporation developed the Windows operating system. Windows is a series of graphical interface operating systems that came to dominate the personal computer market. The most recent versions are Windows 8.1 for personal computers, Windows Phone 8 for mobile devices, Windows Server 2012 R2 for server computers, and Windows Embedded 8 for embedded devices.
Microsoft Windows has seen major versions because of its first launch in
1985. Around 29 years later, Windows seems very different but somehow
familiar with components that have lasted the test of time.
For More Details Please Visit Our Website.
https://hemysystem.com/
The document provides an overview of the history and releases of various operating systems including Windows, Mac OS/macOS, Linux, and A/UX. It describes the original Apple Macintosh from 1984 and then lists the releases of Windows, Mac OS, Linux, and A/UX in chronological order from 1987 to 2016, with each entry noting the year and some key details about the new release.
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PrOPRIeTARY OpERATING SySTeM(LyNuXWoRKS-WaVeCoM)
1.
2.
3. The LynxOS RTOS is a Unix-like
real-time operating system from LynuxWorks
(formerly quot;Lynx Real-Time Systemsquot;).
Sometimes known as the Lynx Operating
System, LynxOS features full POSIX
conformance and, more recently, Linux
compatibility. LynxOS is mostly used in real-
time embedded systems, in applications for
avionics, aerospace, the military,
industrial process control and
telecommunications.
4. Micrium's uC/OS-II RTOS can run on
Tensilica's Diamond Standard CPU and
controller cores (the Diamond Standard
108Mini, 212GP, 232L, and 570T) as well as
most Xtensa configurations that don't
employ the floating point unit
5. MicroC/OS-II (commonly termed µC/OS-II
or uC/OS-II), is a low-cost priority-based
pre-emptive real time multitasking
operating system kernel for
microprocessors, written mainly in the C
programming language. It is mainly
intended for use in embedded systems.
6. MICROSOFT CORPORATION (NASDAQ: MSFT,
HKEX: 4338) is a multinational computer
technology corporation that develops,
manufactures, licenses, and supports a
wide range of software products for
computing devices. Microsoft rose to
dominate the home computer operating
system market with MS-DOS in the
mid-1980s, followed by the Windows line of
operating systems. Its products have all
achieved near-ubiquity in the
desktop computer market.
7. XENIX is a version of the Unix
operating system, licensed by Microsoft
from AT&T in the late 1970s. The
Santa Cruz Operation (SCO) later
acquired exclusive rights to the software,
and eventually began distributing it as
SCO UNIX.
8. MSX-DOS is a Disk operating system
developed by Microsoft for the 8-bit
home computer standard MSX, and is a
cross between MS-DOS rev 1.0 and CP/M.
9. MS-DOS (short for Microsoft Disk Operating System) is
an operating system commercialized by Microsoft. It
was the most commonly used member of the DOS
family of operating systems and was the main
operating system for personal computers during the
1980s. It was based on the Intel 8086 family of
microprocessors, particularly the IBM PC and
compatibles. It was gradually replaced on consumer
desktop computers by operating systems offering a
graphical user interface (GUI), in particular by various
generations of the Microsoft Windows operating
system and Linux. MS-DOS was known before as
QDOS (Quick and Dirty Operating System) and
86-DOS
10. Microsoft Windows CE 3.0 is an
operating system (OS) designed for
embedded systems including PDAs and
mobile phones, working within the
constraints of the slow processors and
reduced amount of memory available on
these devices. It can run on several
different types of processor and has
support for real time programming.The
successor to Windows CE 3.0 is
Windows CE 4.0.
11. WINDOWS MOBILE is a compact
operating system combined with a suite
of basic applications for mobile devices
based on the Microsoft Win32 API. . It is
designed to be somewhat similar to
desktop versions of Windows, feature-wise
and aesthetically.
12. WINDOWS CE 5.0 (codenamed quot;Macallanquot;)
is a successor to Windows CE 4.2, the third
release in the Windows CE .NET family.
Windows CE 5.0 like its predecessors is
marketed towards the embedded device
market and independent device vendors.
Windows CE 5.0 is billed as a low-cost,
compact, fast-to-market, real-time
operating system available for x86, ARM,
MIPS, and SuperH microprocessor-based
systems.
13. WINDOWS 1.0 is a 16-bit graphical
operating environment that was released
on 20 November 1985.[1] It was Microsoft's
first attempt to implement a multi-tasking
graphical user interface-based
operating environment on the PC
platform. Windows 1.0 was the very first
version of Windows launched. It was
succeeded by Windows 2.0.
14. WINDOWS 2.0 was a 16-bit
Microsoft Windows
graphical user interface-based
operating environment that superseded
Windows 1.0. Windows 2.0 was
supplemented by Windows/286 and
Windows/386 in 1988. Windows 2.0,
Windows/286 and Windows/386 were
superseded by Windows 3.0 in May 1990.
15. WINDOWS 3.0 is the third major release of
Microsoft Windows, and was released on
22 May 1990. It became the first widely
successful version of Windows and a
powerful rival to Apple Macintosh and
the Commodore Amiga on the GUI front.
It was succeeded by Windows 3.1.
16. WINDOWS 3.1X is a line of
operating systems produced by Microsoft
for use on personal computers. The line
began with Windows 3.1, which was
released in March 1992 as a successor to
Windows 3.0. Further editions were
released between 1992 and 1994 until the
line was superseded by Windows 95.
17. WINDOWS 3.2 was first released in Simplified
ChineseMicrosoft released a
Simplified Chinese version of Windows for
the Chinese market. The updated system
identified itself as Windows 3.2. The update
was limited to this language version, as it
fixed only issues related to the complex
writing system of the Chinese language. [3]
Windows 3.2 was generally sold by
computer manufacturers with a ten disk
version of MS-DOS that also had Simplified
Chinese characters in basic output and
some translated utilities.
18. WINDOWS 95 is a consumer-oriented
graphical user interface-based
operating system. It was released on
August 24 1995 by Microsoft, and was a
significant progression from the
company's previous Windows products.
During development it was referred to as
Windows 4.0 or by the internal codename
Chicago.
19. WINDOWS 98 (codenamed Memphis) is a
graphical operating system released on
25 June 1998 by Microsoft and the
successor to Windows 95. Like its
predecessor, it is a hybrid 16-bit/32-bit
monolithic product based on MS-DOS.
Windows 98 was succeeded by
Windows Me on 14 September 2000.
20. WINDOWS MILLENNIUM EDITION, OR
WINDOWS ME (IPA pronunciation:, is a
hybrid 16-bit/32-bit graphical
operating system released on 14 September
2000 by Microsoft. It was originally
codenamed Millennium.Shortly after
Windows Me was released, Microsoft
launched a campaign-initiative to promote
Windows Me in the United States, which
they dubbed the Meet Me Tour.
21. OS/2 is a computer operating system,
initially created by Microsoft and IBM,
then later developed by IBM exclusively.
The name stands for quot;Operating
System/2,quot; because it was introduced as
part of the same generation change
release as IBM's quot;Personal System/2 (PS/2)quot;
line of second-generation
personal computers
22. WINDOWS NT 3.1 is the first release of
Microsoft's Windows NT line of server and
business desktop operating systems, and
was released to manufacturing on 27 July
1993. The version number was chosen to
match the one of Windows 3.1, the then-
latest operating environment from
Microsoft, on account of the similar visual
appearance of the user interface.
23. WINDOWS NT 3.5 is the second release of
the Microsoft Windows NT
operating system. It was released on
September 21, 1994.One of the primary
goals during Windows NT 3.5's
development was to increase the speed
of the operating system; as a result, the
project was given the codename
quot;Daytonaquot; in reference to the
Daytona International Speedway in
Daytona Beach, Florida.
24. WINDOWS NT 3.51 is the third release of
Microsoft's Windows NT line of
operating systems. It was released on
May 30, 1995, nine months after
Windows NT 3.5.
25. WINDOWS NT 4.0 is a preemptive, graphical and
business-oriented operating system designed to
work with either uniprocessor or
symmetric multi-processor computers. It is a
release of Microsoft's Windows NT line of
operating systems and was released to
manufacturing on 29 July 1996. It is a 32-bit
Windows system available in both workstation
and server editions with a graphical
environment similar to that of Windows 95. The
quot;NTquot; designation in the product's title initially
stood for quot;New Technologyquot; according to
Microsoft's then-CEO Bill Gates, but now no
longer has any specific meaning.
26. WINDOWS 2000 is a line of operating systems
produced by Microsoft for use on business
desktops, notebook computers, and servers.
Released on 17 February, 2000, it was the
successor to Windows NT 4.0, and is the final
release of Microsoft Windows to display the
quot;Windows NTquot; designation. It was
succeeded by Windows XP for desktop
systems in October 2001 and
Windows Server 2003 for servers in April 2003.
27. WINDOWS XP is a line of
operating systems produced by Microsoft
for use on personal computers, including
home and business desktops,
notebook computers, and media centers.
The name quot;XPquot; is short for quot;experiencequot;
28. WINDOWS SERVER 2003 (also referred to
as Win2K3) is a server operating system
produced by Microsoft. Introduced on 24
April 2003 as the successor to
Windows 2000 Server, it is considered by
Microsoft to be the cornerstone of its
Windows Server System line of business
server products
29. WINDOWS FUNDAMENTALS FOR LEGACY PCS
(quot;WinFLPquot;) is a thin client operating system from
Microsoft, based on Windows XP Embedded, but
optimized for older, less powerful hardware. It was
released on 8 July 2006. Windows Fundamentals for
Legacy PCs is not a full-fledged general purpose
operating system. It includes only certain functionality
for local workloads such as security, management,
document viewing related tasks and the .NET
Framework. It is designed to work as a client-server
solution with RDP clients or other third party clients
such as Citrix ICA.
30. WINDOWS VISTA is an operating system
developed by Microsoft for use on
personal computers, including home and
business desktops, laptops, Tablet PCs, and
media center PCs. Windows Vista was
known by its codename quot;Longhornquot;.[4]
Development was completed on
November 8, 2006; over the following three
months it was released in stages to
computer hardware and software
manufacturers, business customers, and
retail channels.
31. WINDOWS HOME SERVER, code-named
Quattro, is a home server
operating system from Microsoft.
Announced on 7 January 2007, at the
Consumer Electronics Show by Bill Gates,
Windows Home Server is intended to be a
solution for homes with multiple
connected PCs to offer file sharing,
automated backups, and remote access.
It is based on Windows Server 2003
[3][4]
Service Pack 2
32. WINDOWS SERVER 2008 is the most recent
release of Microsoft Windows' server line of
operating systems.
Released to manufacturing on 4 February
2008 and officially released on 27 February
2008, it is the successor to
Windows Server 2003, released nearly five
years earlier. Originally known as Windows
Server Codename quot;Longhornquot;, Microsoft
chairman Bill Gates announced its official
title (Windows Server 2008) during his
keynote address at WinHEC 16 May 2007.
33. WINDOWS 7 (formerly codenamed
Blackcomb and Vienna) is the next
release of Microsoft Windows, an
operating system produced by Microsoft
for use on personal computers, including
home and business desktops, laptops,
Tablet PCs, netbooks and media center
PCs.
34. WINDOWS PREINSTALLATION
ENVIRONMENT (WinPE) is a lightweight
version of Windows XP,
Windows Server 2003 or Windows Vista
that is used for the deployment of
workstations and servers. It is intended as
a 32-bit or 64-bit replacement for MS-DOS
during the installation phase of Windows,
and can be booted via PXE, CD-ROM,
USB flash drive or hard disk.
35. SINGULARITY is an experimental
operating system being built by
Microsoft Research since 2003. It is
intended as a highly-dependable OS in
which the kernel, device drivers, and
applications are all written in
managed code.
36. MIDORI is the code name for a managed code
operating system being developed by
Microsoft Research. It has been reported to be
a possible commercial implementation of the
Singularity operating system, a research project
started in 2003 to build a highly-dependable
operating system in which the kernel,
device drivers, and applications are all written in
managed code. It was designed for
concurrency, and can run applications in
multiple places.[3] It also features an entirely new
security model that sandboxes applications for
increased security.
37. NOVELL Inc. (NASDAQ: NOVL) is a global software
corporation based in the United States specializing in
enterprise operating systems such as
SUSE Linux Enterprise and Novell NetWare; identity,
security and systems management solutions; and
collaboration solutions. Together with WordPerfect,
Novell was instrumental in making the Utah Valley a
focus for high-technology software development.
Today this area has many small companies whose
employees have previously worked at Novell. The
name for the company Novell was suggested by
George Canova’s wife who mistakenly thought that
“Novell” meant “new” in French. (In fact, the
feminine singular of “new” in French is “nouvelle”.
38. NETWARE The first commercial release of
NetWare was version 1.5.In January 1983, the
company’s name was shortened to Novell Inc.,
and Raymond Noorda became the head of the
firm. Also in 1983, the company introduced its
most significant product, the multi-platform
network operating system (NOS), Novell
NetWare.Novell based its network protocol on
Xerox network services (XNS), and created its
own standards from IDP and SPP, which it
named Internetwork Packet Exchange (IPX) and
Sequenced packet exchange (SPX).
39. SUSE Linux is a major operating system.
The developer rights are owned by
Novell, Inc. SUSE is also a founding
member of the Desktop Linux Consortium.
There are two (2) major distributions of SUSE
Linux currently active:
*SUSE Linux Enterprise
*open suse
41. RCA Corporation, founded as Radio
Corporation of America, was an electronics
company in existence from 1919 to 1986. Today, the
RCA trademark is owned by the French
conglomerate Thomson SA through RCA Trademark
Management S.A., a company owned by Thomson.
The trademark is used by two companies, namely
Sony Music Entertainment and Thomson SA, which
licences the name to other companies like Audiovox
and TCL Corporation for products descended from
that common ancestor.
42. Original RCA logo, revived by BMG for
sound recordings after it bought GE's
interest in the record company. Unlike
this picture, it was colored red. It was
affectionately known as quot;the Meatballquot; to
RCA insiders.
43. TSOS -stands for Time Sharing Operating System; it was an operating
system for RCA (Radio Corporation of America) mainframes of the
RCA Spectra 70 series.
RCA was in the computer business until 1971. Then it was sold to
Sperry Corporation; Sperry offered TSOS renaming it to VS/9. In the mid
seventies, an enhanced version of TSOS was offered by the German company
Siemens and was called BS2000 here.
While Sperry (respectively Univac after the company was renamed)
discontinued VS/9 in the early 80's, BS2000, now called BS2000/OSD is still
offered by Fujitsu Siemens Computers and used on their mainframe
customers primarily in Europe.
TSOS was the first operating system that supported virtual addressing of the
main storage. Beyond that it provided a unique user interface for both, time
sharing and batch which was a big advantage over IBM's OS/360 or their
successors MVS, OS/390 and z/OS as it simplified the operation.
44. Xenix, Unix System III based distribution for the
Intel 8086/8088 architecture
Xenix 286, Unix System V Release 2 based
distribution for the Intel 80286 architecture
Xenix 386, Unix System V Release 2 based
distribution for the Intel 80386 architecture
SCO Unix, SCO UNIX System V/386 was the
first volume commercial product licensed by
AT&T to use the UNIX System trademark
(1989). Derived from AT&T System V Release
3.2 with an infusion of Xenix device drivers and
utilities plus most of the SVR4 features
45. SCO Open Desktop, the first 32-bit graphical user
interface for UNIX Systems running on Intel
processor-based computers. Based on SCO Unix
SCO OpenServer 5, AT&T UNIX System V Release 3
based
UnixWare 2.x, based on AT&T System V Release
4.2MP
UnixWare 7, UnixWare 2 kernel plus parts of 3.2v5
(UnixWare 2 + OpenServer 5 = UnixWare 7).
Referred to by SCO as SVR5
SCO OpenServer 6, SVR5 (UnixWare 7) based
kernel with SCO OpenServer 5 application and binary
compatibility, system administration, and user
environments
46. SCO OpenServer, previously SCO UNIX and SCO Open
Desktop (SCO ODT), is a closed source version of the Unix
computer operating system developed by Santa Cruz Operation (SCO)
and now maintained by the SCO Group.
Xenix is a version of the Unix operating system,
licensed by Microsoft from AT&T in the late
1970s. The Santa Cruz Operation (SCO) later
acquired exclusive rights to the software, and
eventually began distributing it as SCO UNIX
47. Xenix was Microsoft's version of Unix intended for
use on microcomputers; since Microsoft was not able
to license the quot;UNIXquot; name itself, they gave it an
original name. The -ix ending follows a convention used
by many other Unix-like operating systems.
Microsoft purchased a license for Version 7 Unix from
AT&T in 1979, and announced on August 25, 1980 that
it would make it available for the 16-bit microcomputer
market. The initial port of Xenix to the
Intel 8086/8088 architecture was performed by
The Santa Cruz Operation.[1][2][3][4][5]
Xenix varied from its 7th Edition origins by
incorporating elements from BSD, and soon possessed
the most widely installed base of any Unix flavour due
to the popularity of the inexpensive x86 processor.
48. Microsoft did not sell Xenix directly to end users; instead,
they licensed it to software OEMs such as Intel, Tandy,
Altos and SCO, who then ported it to their own
proprietary computer architectures. Microsoft Xenix
originally ran on the PDP-11; the first port was for the
Zilog Z8001 16-bit processor. Altos shipped a version for
their Intel 8086 based computers early in 1982, Tandy
Corporation shipped TRS-XENIX for their 68000-based
systems in January 1983, and SCO released their port to
the IBM PC in September 1983. A port to the 68000-based
Apple Lisa also existed. At the time, Xenix was based on
AT&T's UNIX System III.
Version 2.0 of Xenix was released in 1985 and was based
on UNIX System V. An update numbered 2.1.1 added
support for the Intel 80286 processor. Subsequent releases
improved System V compatibility.
In 1986, SCO ported Xenix to the 386 processor, a 32-bit
chip. Xenix 2.3.1 introduced support for i386, SCSI and
49. SCO UNIX/SCO Open Desktop
SCO UNIX was the successor to SCO Xenix, derived
from AT&T System V Release 3.2 with an infusion of
Xenix device drivers and utilities. SCO UNIX System V/
386 Release 3.2.0 was released in 1989 as the
commercial successor to SCO Xenix. The base
operating system did not include TCP/IP networking or
X Window System graphics. Shortly after the release of
this bare OS, SCO shipped an integrated product under
the name of SCO Open Desktop, or ODT. 1994 saw
the release of SCO MPX, an add-on SMP package.
At the same time, AT&T completed its merge of Xenix,
BSD, SunOS and System V features into
System V Release 4. SCO UNIX remained based on
System V Release 3, but eventually added home-grown
versions of most of the features of Release 4.
50. SCO OpenServer 5, an AT&T UNIX System V Release 3
based operating system, was initially released by
The Santa Cruz Operation in 1992. Based on SCO UNIX
3.2v4, SCO OpenServer 5 would become SCO's primary
product and serve as the basis for products like PizzaNet (the
first Internet based food delivery system done in partnership
with Pizza Hut) and Global Access (the first commercially
licensed and bundled Internet Operating System). Due to its
large installed base, SCO OpenServer 5 continues to be
actively maintained by SCO with major updates having
occurred as recently as March 2008.[1]
51. SCO OpenServer 6, an AT&T UNIX System V
Release 4.2MP based operating system, was
initially released by The SCO Group in 2005.
It includes support for large files, increased
memory, and multi-threaded kernel (light-
weight processes) and is referred to as SVR5.
SCO OpenServer 6 contains the UnixWare 7
SVR5 kernel integrated with SCO OpenServer
5 application and binary compatibility,
OpenServer 5 system administration, and
OpenServer 5 user environments.
52. SCO OpenServer has primarily been sold into
the Small and Medium Business market (SMB).
It is widely used in small offices, point of sale (
POS) systems, replicated sites, and backoffice
database server deployments. Prominent SCO
OpenServer customers include McDonalds,
Taco Bell, Big O Tires, Pizza Hut, Costco
pharmacy, NASDAQ, The
Toronto Stock Exchange, Banco do Brasil,
many banks in Russia and China, and the
railway system of India.
53. SCO Skunkware / Open Source
All versions of SCO OpenServer have included
significant open source components including BIND/
X11/Sendmail/DHCP/Perl/Tcl and others. Later releases
are bundled with numerous additional open-source
applications including Apache, Samba, MySQL,
PostgreSQL, OpenSSH, Mozilla, KDE, a wide variety of
graphics web and X11 libraries (gwxlibs package), and
most recently OpenOffice for OpenServer 6.[2]
All versions of SCO operating system distributions
including SCO OpenServer also have an extensive set of
open source packages available for free download via
the SCO Skunkware site.[3][4]
54. SCO Skunkware / Open Source
All versions of SCO OpenServer have included
significant open source components including BIND/X11
/Sendmail/DHCP/Perl/Tcl and others. Later releases are
bundled with numerous additional open-source
applications including Apache, Samba, MySQL,
PostgreSQL, OpenSSH, Mozilla, KDE, a wide variety of
graphics web and X11 libraries (gwxlibs package), and
most recently OpenOffice for OpenServer 6.[2]
All versions of SCO operating system distributions
including SCO OpenServer also have an extensive set of
open source packages available for free download via the
SCO Skunkware site.[3][4]
55. UnixWare merger
SCO purchased the right to distribute
UnixWare system and its System V
Release 4 code base from Novell in 1995.
Novell retained copyrights and patents to
Unix, whereas SCO maintains ownership
of derivative works of Unix since the
purchase. SCO was eventually able to re-
use some code from that version of
UnixWare in later releases of
OpenServer. Until Release 6, this came
primarily in the compilation system and
the UDI driver framework and the USB
subsystem written to it.
56. By the end of the 1990s, there were around 15,000
value-added resellers (VARs) around the world
who provided solutions for customers of SCO's
Unix systems.
SCO announced on August 2, 2000 that it would
sell its Server Software and Services Divisions, as
well as UnixWare and OpenServer technologies, to
Caldera Systems, Inc. The purchase was completed
in May 2001. The remaining part of the SCO
company, the Tarantella Division, changed its name
to Tarantella, Inc., while Caldera became Caldera
International, and subsequently in 2002 the
SCO Group.
57. •The SCO Group continued the development and maintenance of
OpenServer. They currently continue to maintain the now
obsoleted 5.0.x branch derived from 3.2v5.0.x; the most recent of
these is 5.0.7.
•On June 22, 2005, OpenServer 6.0 was released, codenamed
quot;Legendquot;, the first release in the new 6.0.x branch. SCO
OpenServer 6 is based upon the System V Release 5 UNIX kernel
and features multi-threading application support for C, C++, and
Java applications through the POSIX interface. OpenServer 6
features kernel-level threading (not found in 5.0.x).
•Some improvements over OpenServer 5 include improved SMP
support (support for up to 32 processors), support for files over 1
terabyte on a partition (larger network files supported through
NFSv3), better file system performance, and support for up to
64GB of memory.
•OpenServer 6.0 maintains backward-compatibility for applications
developed for Xenix 286 onwards.
58. •Some improvements over OpenServer 5 include
improved SMP support (support for up to 32
processors), support for files over 1 terabyte on a
partition (larger network files supported through
NFSv3), better file system performance, and support
for up to 64GB of memory.
•OpenServer 6.0 maintains backward-compatibility
for applications developed for Xenix 286 onwards.
SCO OpenServer
SCO OpenServer 5, an AT&T UNIX
System V Release 3 based
operating system, was initially
released by
The Santa Cruz Operation in 1992.
59. Unicoi Systems, Inc., a leading provider of
software solutions to the embedded
device market, announced the availability
of its Fusion RTOS for new Blackfin®
Processors from Analog Devices, Inc.
(ADI).
The release of the Fusion RTOS for these
additional ADI processors provides
embedded developers with a high-
performance solution designed
specifically for networking and multimedia
applications, license-free.
60. Fusion RTOS
The Fusion RTOS is a priority
based, preemptive, multitasking
real-time operating system
designed and optimized for
next generation DSP
architectures
61. The Fusion RTOS kernel is extremely fast and is capable of a
higher level of performance than any microcontroller based
OS can deliver. Minimum context switch times can be as fast
as 190 Cycles (4.75 usec @ 40 MIPs)*. View the Perfomance
Comparison.
Supported DSP Families:
•Motorola DSP 56800
•Motorola DSP 56800E
•Motorola StarCore
•Analog Devices Blackfin
•DSPOS was the original project which
would become the royalty free
Fusion RTOS
62. Wind River Systems, Inc. is a
publicly owned company providing
embedded systems, development
tools for embedded systems,
middleware, and other types of
software. The company was founded
in Berkeley, California in 1981 by
Jerry Fiddler and David Wilner.
63. •VxWorks is a real-time
operating system made and sold by
Wind River Systems of Alameda,
California, USA.
•VxWorks is designed for use in
embedded systems. Unlike quot;nativequot;
systems such as Unix, VxWorks
development is done on a quot;hostquot;
machine running Unix or Windows,
cross-compiling target software to run
64. Notable products using VxWorks
The Mars Reconnaissance Orbiter uses VxWorks
•The Honda Robot ASIMO
•The Airbus A400M Airlifter (in development)
•The Boeing 787 airliner (in development)
•The Boeing 747-8 airliner (in development)
65. •POS (PERQ Operating System)
The initial single-task operating system
for PERQ workstations, developed by
3RCC. POS and its utilities were written
in PERQ Pascal.
MPOS (Multitasking POS)
66. Pilot was a single-user, multitasking
operating system designed by
Xerox PARC in early 1977. Pilot was
written in the Mesa
programming language, totalling
about 24,000 lines of code.[1]
67. The Lisp Machine operating system was written
in Lisp Machine Lisp. The Lisp Machine was a
single user workstation initially targeted at
software developers for artificial intelligence
projects. The Lisp Machine had a large bitmap
screen, a mouse, a keyboard, a network
interface, a disk drive and slots for expansion.
The operating system was supporting this
hardware
68. The Lisp Machine Operating system provided (among
others):
•code for a Frontend Processor
•a way to boot the operating system
•virtual memory management
garbage collection
•drivers for the hardware (mouse, keyboard, screen,
disk,)
•an interpreter and a native code compiler for Lisp
Machine Lisp
•an object system (Flavors)
•a window system and a window manager
•a local file system
•support for the CHAOS network
•an Emacs-like Editor
•a mail program
•a Lisp listener
•a debugger
69. EOS (Operating System) developed by
ETA Systems for use in their ETA-10 line
of supercomputers
•EOS was preceded by and was binary executable
compatible with the CDC VSOS operating system for
Cyber 205. Like VSOS, EOS had demand paged
virtual memory (the VS part) with 2 pages sizes for
improved virtual memory performance with the
ETA's faster hardware pipelines
70. EMBOS, developed by Elxsi for
use on their
mini-supercomputers
•EMBOSS is an acronym for European
Molecular Biology Open Software Suite.
•EMBOSS is a free Open Source
software analysis package specially
developed for the needs of the
molecular biology and bioinformatics
user community.
71. GCOS (General Comprehensive Operating
System) is a family of operating systems oriented
toward mainframe computers.
The original version of GCOS was developed by
General Electric from 1962; originally called
GECOS (the General Electric Comprehensive
Operating Supervisor). The operating system is
still used today in its most recent version (GCOS
8) on servers and mainframes produced by
Groupe Bull, primarily through emulation, to
provide continuity with legacy mainframe
environments.
73. SINTRAN III was a real-time,
multitasking, multi-user
operating system used with
Norsk Data computers from 1974.
Unlike its predecessors SINTRAN I
and II, it was entirely written by Norsk
Data. Sintran III was written in
NORD PL, intermediate language for
Norsk Data computers.
74. THEOS, which transcribes to quot;Godquot; in
Greek, is an operating system which started
out as OASIS, a microcomputer operating
system for small computers that use the
Z80 processor. Originally written in the late
1970s by Timothy S. Williams as a low-cost
alternative to the more expensive mini- and
mainframe- computers that were popular in
the day, OASIS provided time-sharing
multiuser facilities to allow several users to
utilise the resources of one computer.
Remember that in the 1970s even very basic
computers cost many thousands of dollars.
THEOS is specifically aimed at small
business users.
75. TinyOS is a free and open source
component-based operating system and
platform targeting wireless sensor networks
(WSNs). TinyOS is an embedded operating
system written in the
nesC programming language as a set of
cooperating tasks and processes. It is
intended to be incorporated into smartdust.
TinyOS started as a collaboration between
the University of California, Berkeley in co-
operation with Intel Research, and has since
grown to a be an international consortium, the
76. TRS-DOS (which stood for the Tandy
Radio Shack - Disk Operating System)
was the operating system for the
Tandy TRS-80 line of 8-bit Z-80 micro-
computers that were sold through
Radio Shack through the late 1970s and
early 1980s.
77. TX990/TXDS, DX10 and DNOS -
proprietary operating systems for TI-990
minicomputers
DX10 was a general purpose, disk based, multitasking
operating system for the Texas Instruments
990/10, 990/10A and 990/12 minicomputers using the
memory mapping featur
78. MAI Basic Four - An OS implementing
Business Basic from MAI Systems.
MAI Basic Four (sometimes written as
BasicFour or Basic 4) refers to a variety of
Business Basic, the computers that ran it, and
the company that sold them (its name given
variously as MAI Basic Four Inc., MAI Basic
Four Information Systems, and MAI Systems
Corporation).
79. Michigan Terminal System - Developed
by a group of American
Michigan Terminal System (MTS) is an
operating system for the IBM System/360
and its successors that was developed
jointly by the following institutions:
•University of Michigan
•Wayne State University
•Simon Fraser University
•University of Alberta
•University of British Columbia
•Rensselaer Polytechnic Institute
•Durham University
•University of Newcastle upon Tyne
81. ●AEGIS (Apollo Computer)
Apollo Computer, Inc., founded 1980 in
Chelmsford, Massachusetts by William Poduska (a
founder of Prime Computer), developed and produced
Apollo/Domain workstations in the 1980s. Along with
Symbolics and Sun Microsystems, Apollo was one of the
first vendors of graphical workstations in the 1980s.
In 1981, the company unveiled the DN100 workstation,
which used the Motorola 68000 microprocessor. Apollo
workstations ran Aegis (later renamed Domain/OS), a
proprietary operating system with a POSIX-compliant
Unix alternative frontend.
From 1980 to 1987, Apollo was the largest manufacturer
of network workstations. At the end of 1987, it was third
in market share after Digital Equipment Corporation and
Sun Microsystems, but ahead of Hewlett-Packard and
IBM. Apollo's largest customers were Mentor Graphics
(electronic design), General Motors, Ford, Chrysler,
Chicago Research and Trading (Options and Futures)
and Boeing (mechanical design).
82. ●AMIGA UNIX (Amiga ports of Unix System v
release 3.2 with amiga A2500UX and SVR4 with
Amiga A3000UX in 1989, last version was in 1992)
- is a commodore’s port of AT&T System V Release 4
to the Amiga with Motorola 68020 and 68030
processors having FPU and MMU. The two
“official”machines which could run Amiga UNIX
are the Amiga 2500UX and 8000UX, however it can
run on any amiga that meets its requirements.
●The system must have a full 68020/68030 with
FPU and MMU
● At least 4MB of Fast RAM
●SCSI hard drive attached to a supported controller
83. -This basically includes the Amiga 2000, 2500, 3000D and
3000T with the appropriate CPU and SCSI controllers.
Although the A3000UX has Zorro III capable slots, the
only cards ever supported by AMIX are Zorro II.
- In 1990, did a full port of AT&T Unix System V Release 4
for the Amiga computer family (in addition to the
proprietary AmigaOS shipping with these systems by
default), informally known as Amix. Bundled with the
Amiga 3000UX, Commodore's Unix was one of the first
ports of SVR4 to the 68k architecture. The Amiga
A3000UX model even got the attention of
Sun Microsystems, though ultimately nothing came of it
84. ●CLIX (Intergraph’s System V
Implementation )
CLIX (Clipper unIX)
-was Intergraph's commercial offering in the UNIX space back
in the late 80's and early 90's. It was the Operating
Environment used on their CLIPPER based line of
workstations and servers. CLIX was delivered as part of the
Intergraph System Software (ISS) Baseline and was based on
AT&T's UNIX System V Operating System. This was my first
taste of a true UNIX O/S and where I first started to learn how
to write scripts with the Korn Shell (ksh). The only prior
exposure I had to UNIX was with Domain/OS, but it's UNIX
environments existed on top of an Operating System I already
knew, they just offered an alternative. CLIX was where I really
started to develop my love for UNIX based systems.
85. As with most UNIX variants CLIX had a menu
based shell for performing most System
Administration tasks. In this case it was known
as Distributed System Management (DSM) and
was based on Intergraph's Forms and Menu-
Language Interface (FMLI). DSM provided a set
of utilities that could be used to manage
several networked servers from a single server.
86. ● COHERENT (Unix-like OS from Mar k
Williams Co. for PC class computer s )
- The coherent operating system was a Unix
-
Version 7 clone by the now- defunct Mark Williams
Company, originally produced for the PDP-11 in
1980. A port was introduced in 1983 as the first
Unix-like system for IBM compatible computers.
- Coherent was able to run on most Intel-based
-
PCs with Intel 8088, 286, and 486 processors and,
like a true Unix, was able to multitask and support
users. Coherent also had support for X11 and MGR
windowing system.
87. Later versions of Coherent (version 4 and higher)
supported features common in modern Unix-like
systems, including virtual memory with demand paging,
a version of MicroEMACS, access to DOS FAT16
File systems, an optimizing C compiler with linker, and a
modified version of Taylor UUCP. The final releases of
Coherent also fully supported the iBCS COFF binary
standard, which allowed binary compatibily with
SCO Unix applications, including WordPerfect,
Lotus 1-2-3, and several Microsoft applications including
QuickBASIC, Microsoft Word, and MultiPlan. Coherent
predates both MINIX and Linux by many years.
88. ●DC/OSx (DataCenter/OSx was an
operating system for MIPS based
system developed by Pyramid
Technology)
-was an operating system for MIPS based systems
developed by Pyramid Technology. It ran on its Nile series
of SMP machines and was a port of AT&T
System V Release 4 (SVR4). DC/OSx was the first SMP
implementation on Unix System V Release 4. It was later
superseded by SINIX, a version of the Unix operating
system from Siemens Nixdorf Informationssysteme.
-Pyramid Technology was a computer company that
produced a number of RISC-based minicomputers at the
upper end of the performance range. They also became
the second company to ship a multiprocessor Unix system
(branded OS/x),
89. -in 1985, which formed the basis of their product line into
the early 1990s. Pyramid's OS/x was a dual-universe Unix
which supported programs and system calls from both
4.xBSD and AT&T's System V Unix.
-In 1995 Pyramid was bought by Siemens AG and merged
into their Siemens Computer Systems US unit. In 1998
this unit was split, with the services side of the operation
becoming Wincor Nixdorf. In 1999 Siemens and Fujitsu
merged their computer operations to form
Fujitsu Siemens Computers, and finally Amdahl was
added to the mix in 2000.
90. ● DG/UX (Data general Cor p)
was a Unix operating system developed by Data General
for its Eclipse MV minicomputer line, and later the AViiON
workstation and server line (both Motorola 88000 and Intel
IA-32-based variants).
DG/UX 1.00, released in March, 1985, was based on
UNIX System V Release 2 with additions from 4.1BSD. By
1987, DG/UX 3.10 had been released, with 4.2BSD
TCP/IP networking, NFS and the X Window System
included. DG/UX 4.00, in 1988, was a comprehensive re-
design of the system. Later versions were based on
System V Release 4 DG/UX 1.00, released in March,
1985, was based on UNIX System V Release 2 with
additions from 4.1BSD. By 1987, DG/UX 3.10 had been
released, with 4.2BSD TCP/IP networking, NFS and the
X Window System included. DG/UX 4.00, in 1988, was a
comprehensive re-design of the system. Later versions
were based on System V Release 4.
91. ● DNIX from DIAB
- was a Unix-like real-time operating system from the
Swedish company Dataindustrier AB (DIAB). A version
called ABCenix was also developed for the ABC1600
computer from Luxor. (Daisy Systems also had something
called Daisy DNIX on some of their CAD
ISC Systems Corporation (ISC) purchased the right to use
DNIX in the late 1980s for use in its line of Motorola 68k-
based banking computers. (ISC was later bought by
Olivetti, and was in turn resold to Wang, which was then
bought by Getronics.
92. This code branch was the SVR2 compatible
version, and received extensive modification
and development at their hands. Notable
features of this operating system were its
support of demand paging,
diskless workstations, multiprocessing,
asynchronous I/O, the ability to mount
processes (handlers) on directories in the
file system, and message passing.
93. ● DSPano RTOS (POSIX nanoker nel,
)
DSP optimized, Open Source
DSPnano is an open source RTOS and Eclipse based tool
set designed to increase small embedded signal
processing system development productivity and reliability.
It supports the full Microchip family including Microchip's
PIC24 16 bit MCUs through the dsPIC 30 30 MIPS DSCs
to the dsPIC 33 40 MIPS DSCs.
DSPnano V2 is hosted on Windows XP and Vista, for x86
platforms. Support for the entire dsPIC DSC product line
and the PIC24 MCU line is available. DSPnano V2 will
begin shipping in Q3, 2007. It is priced from $499 US for a
single user. Open source royalty free licenses start at
$3999 US.
94. ●Idris wor kalike from W hitesmiths
is a multi-tasking, Unix-like, multi-user,
real-time operating system released by Whitesmiths, of
Westford, Massachusetts. The product was commercially
available from 1979 through 1988.
Idris was originally written for the PDP-11 by P. J. Plauger,
who started working on Idris in August 1978. It was
binary compatible with Unix V6 on PDP-11, but it could
run on non-memory managed systems (like LSI-11 or
PDP-11/23) as well. The kernel required 31 Kb of RAM,
and the C compiler (provided along with the standard V6
toolset) had more or less the same size.
A specific version of Idris (CoIdris) was packaged as a
.com file under MS-DOS and used it for low level I/O
services. Idris was ported to the Apple Macintosh (as
MacIdris) by John O'Brien (of Whitesmiths Australia) and
remained available until the early 1990s.
95. Although Idris was initially available for the PDP-11, it later
ported to run on a number of platforms, such as the VAX,
Motorola 68000, System/370 and Intel 8086. In 1986, David M.
Stanhope and Skip Tavakkolian at Computer Tools International
ported Idris to the Atari ST and developed its ROM boot
cartridge. This work also included a port of the X Window to
Idris. Computer Tools and Whitesmiths offered it to Atari as a
replacement for Atari TOS, but eventually marketed it directly to
ST enthusiasts.
MacIdris ran as an application under the Finder or Multifinder[1]
After Whitesmiths had been merged with Intermetrics, Idris —
along with its development toolchain — was ported to the
.
INMOS T800 transputer architecture
96. ●INTERACTIVE UNIX (a por t of the
Unix System V operating system for
Intel x86 by INTERACTIVE System
Cor poration )
is a port of the UNIX System V operating system for
Intel x86 processors.
The system was first released by
INTERACTIVE Systems Corporation (ISC) as 386/ix in
1985. At that time it was based on System V.3.0. Later
versions were based on System V.3.2. Sun Microsystems
acquired ISC in 1992 from its parent Eastman Kodak; the
last version was quot;System V/386 Release 3.2 Version
4.1.1quot; released in July 1998. Official support ended in July
2006, 5 years after Sun withdrew the product from sale.
Until version ISA 3.0.1, INTERACTIVE UNIX supported
only 16 MB of RAM. In the next versions, it supported
256MB RAM and PCI bus. EISA versions always support
256MB RAM.
97. ●IRIX from SGI
is a computer operating system developed by
Silicon Graphics, Inc. (SGI) to run natively on their 32-
and 64-bit MIPS architecture workstations and servers.
Based on UNIX System V with BSD extensions, it is
capable of extremely long uptimes, and its XFS file
system is regarded as one of the most advanced
journaling file systems in the industry.
The IRIX name was first used around the time of release
3.0 of the operating system for SGI's IRIS 4D series of
workstations and servers, in 1988. Previous releases
were identified only by the release number prefixed by
quot;4D1-quot;, eg. quot;4D1-2.2quot;. The 4D1- prefix continued to be
used in official documentation to prefix IRIX release
numbers.
98. - IRIX 3.x was based on UNIX System V Release 3 with
4.3BSD enhancements, and incorporated the 4Sight
windowing system, based on NeWS and IRIS GL. SGI's
own Extent File System (EFS) replaced the System V
filesystem. -
IRIX 4.0, released in 1991, replaced 4Sight with the
X Window System (X11R4), the 4Dwm window manager
providing a similar look and feel to 4Sight. -
IRIX 5.0, released in 1993, incorporated certain features
of UNIX System V Release 4, including ELF-format
executables.
-IRIX 5.3 introduced the XFS journaling file system.
99. ●MeikOS
MeikOS (also written as Meikos or MEiKOS) was a
Unix-like transputer operating system developed for the
Computing Surface during the late 1980s.
MeikOS was derived from an early version of MINIX,
extensively modified for the Computing Surface
architecture. Unlike HeliOS, another Unix-like transputer
operating system, MeikOS was essentially a single-
processor operating system with a distributed filesystem.
MeikOS was used in conjunction with the M²VCS (Meiko
Multiple Virtual Computing Surfaces) resource
management software which partitioned the processors of
a Computing Surface into domains, managed user access
to these domains, and provided inter-domain
communication.
100. - MeikOS had quot;disklessquot; and quot;fileserverquot; variants, the
former running on the seat processor of an M²VCS
domain, providing a command line user interface for a
particular user; the latter running on processors with
attached SCSI hard disks, providing a remote file
service (called SFS, Surface File System) to instances of
diskless MeikOS. The two communicated via M²VCS.
- MeikOS was made obsolete by the introduction of the
In-Sun Computing Surface and the Meiko MK083 SPARC
processor board, which allowed SunOS and SVCS (Sun
Virtual Computing Surfaces, later developed as VCS) to
take over the roles of MeikOS and M²VCS respectively.
The last MeikOS release was MeikOS 3.06, in early 1991.
101. ●NeXTSTEP (develoed by: NEXT, a Unix
based OS based on the Mach microker nel)
was the original object-oriented, multitasking
operating system that NeXT Computer developed to run on
its range of proprietary computers, such as the NeXTcube.
Nextstep 1.0 was released on September 18, 1989 after
several previews starting in 1986. The last version, 3.3, was
released in early 1995, by which time it ran not only on
Motorola 68000 family processors, but also
IBM PC compatible x86, Sun SPARC, and HP PA-RISC.
Apple Inc.'s Mac OS X is a direct descendant of Nextstep.
Nextstep was a combination of several parts:
a Unix operating system based on the Mach kernel, plus
source code from BSD Unix
Display PostScript and a windowing engine
the Objective-C language and runtime
an object-oriented (OO) application layer, including several
quot;kitsquot;
development tools for the OO layers
102. ●OS-9 Unix- like RTOS (OS from
Microware for Motorola 6809 based
)
microcomputer s
is a family of real-time, process-based, multitasking,
multi-user, Unix-like operating systems, developed
in the 1980s, originally by
Microware Systems Corporation for the
Motorola 6809 microprocessor. It is currently owned
by RadiSys Corporation.
The OS-9 family was popular for general-purpose
computing and remains in use in commercial
embedded systems and amongst hobbyists. Today,
OS-9 is a product name used by both a
Motorola 68000-series machine language OS and a
portable (PowerPC, x86, etc.) version written in C,
originally known as OS 9000.
103. The first version (quot;OS-9 Level Onequot;) , which dates
back to 1979–80, was written in assembly language
for the Motorola 6809 CPU, and provided a single 64
KB address space in which all processes ran. It was
developed as a supporting operating system for the
BASIC09 project, contracted for by Motorola as part of
the 6809 development. A later 6809 version (quot;Level
Twoquot;) takes advantage of memory mapping hardware,
supported up to 2 MB of memory (ca 1980) in most
implementations, and included a GUI on some
.
platforms
104. ● OS9/68K Unix- like RTOS. (OS from
Microware for Motorola 680x0 base
)
microcomputers; based on OS-9
Versions of OS-9/68K run on a wide variety of
68000 family platforms, including the Sharp X68000 in
Japan, some personal computers intended by their
designers as upgrades from the Color Computer (e.g., the
68070 and 68340-based MM/1, and on other computers
from Frank Hogg Laboratories, PEP, and Delmar Co.) It
was also ported to the Atari ST by Recc-o-ware in the
early 1990s, and was distributed by Cumana in Europe. A
port to the Amiga is also purported to exist.
OS-9/68K is also found in some embedded applications,
including the Quanta Delta television broadcast character
generator, still in production by ScanLine Technologies in
Utah. While the user-level interface code on this system
started at boot time, there was a hidden, undocumented
keyboard sequence that would provide a user with a root
shell prompt in a scroll window on the device's edit-
channel monitor.
105. In 1983, OS-9/6809 was ported to Motorola 68000
assembly language and extended (called OS-9/68K); and a
still later (1989) version was rewritten mostly in C for
further portability. The portable version was initially called
OS-9000 and was released for 80386 PC systems around
1989, then ported to PowerPC around 1995. These later
versions lack the memory mapping facilities of OS-9/6809
Level Two simply because they do not need them. They
used a single flat address space that all processes share;
memory mapping hardware, if present, is mostly used to
ensure that processes access only that memory they have
the right to access. The 680x0 and 80386 (and later) MPUs
all directly support far more than 1MB of memory in any
case.
106. OS-9 (especially the 68K version and thereafter) clearly
distinguishes itself from the prior generation of
embedded operating systems in many aspects.
Runs on 32-bit CPUs.
Clear separation between user mode and supervisor
(kernel) mode.
Dynamic use of individually and separately built software
components (executable program images and
kernel modules) rather than a statically linked single
monolithic image.
Unix-like process name-space model (not memory
model) and user shell program.
Clear separation between hardware independent (e.g. file
managers) and hardware dependent (e.g. device drivers)
layers.
107. OSF/1
-In 1988, during the so-called quot;Unix warsquot;, DEC
joined with IBM, Hewlett-Packard, and others to
form the Open Software Foundation (OSF) to
develop a version of Unix. Dubbed OSF/1, the
aim was to compete with System V Release 4
from AT&T and Sun Microsystems, and it has
been argued that a primary goal was for the
operating system to be free of AT&T intellectual
property.[1] The fact that OSF/1 was one of the
first operating systems to use the Mach kernel
is cited as support of this assertion.
108. OSF/1 AD
-OSF/1 AD (Advanced Development)
was a distributed version of OSF/1
developed for massively parallel
supercomputers by
Locus Computing Corporation.
Variants of OSF/1 AD were used on
several such systems, including the
Intel Paragon XP/S and ASCI Red,
Convex Exemplar SPP-1200 (as
SPP-UX) and the Hitachi SR2201 (as
HI-UX MPP).
109. OpenStep
OpenStep is an object-oriented
application programming interface
(API) specification for an
object-oriented operating system that
uses any modern operating system
as its core, principally developed by
NeXT with Sun Microsystems.
OPENSTEP (all capitalized) is a
specific implementation of the
OpenStep API, developed by NeXT.
110. QNX
-is a commercial Unix-like
real-time operating system, aimed
primarily at the embedded systems
market. On September 12, 2007, the
source of the QNX kernel was
released for non-commercial use.
111. Solaris
-is a Unix-based operating system
introduced by Sun Microsystems in 1992
as the successor to SunOS.
Solaris is known for its scalability,
especially on SPARC systems, as well for
being the origin for many innovative
features such as DTrace and ZFS.[1][2]
Solaris supports SPARC-based and x86-
based workstations and servers from Sun
and other vendors, with efforts underway
to port to additional platforms.
112. RMX
-is a
real-time operating system
designed specifically for use
with the Intel 8080 and
Intel 8086 family of
processors. It is an acronym
for Real-time Multitasking
eXecutive. Intel developed
iRMX in the late 1970s and
originally released it in 1980
to support and create demand
for their processors and
Multibus system platforms.
113. Rhapsody
-was the code name given to
Apple Computer's next-generation
operating system during the period of its
development between Apple's purchase
of NeXT in late 1996 and the
announcement of Mac OS X in 1998. It
consisted primarily of the OPENSTEP
operating system ported to the
PowerMac along with new graphics in
the GUI to make it appear more Mac-like.
114. Pardus
-Linux distribution is an non
secular operating system
developed in Turkey, as a
product of the Pardus Project.
It was named after the Latin
(and scientific) name for the
Anatolian leopard.
115. RISC OS
-is a computer operating system which
was originally developed by
Acorn Computers Ltd in Cambridge,
England for their ARM based computers.
It was first released in 1988 as RISC OS
2.00, and replaced Acorn's Arthur
operating system, which was shipped
with the first Archimedes computer
models in 1987. The operating system
takes its name from the RISC (reduced
instruction set computing) architecture
used on supported systems.
116. •
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ode
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te
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125. TRON
Real-time
quot;The
Operating system
Nucleusquot;
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Realtime Operating system Nucleusquot; . The
proje ass
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