This document provides an overview of different types of operating systems, including Windows OS, Mac OS, Linux, DOS, and Unix. It discusses the history and key features of each operating system, as well as their advantages and disadvantages. The document focuses on explaining the user interface, applications, and versions of different operating systems like Windows, highlighting Windows XP, Vista, and 10. It also summarizes the origins and uses of Linux, Mac OS, DOS, and Unix operating systems.
This document provides an overview of computer software and its types. It discusses that there are two main types: system software and application software. System software includes operating systems, utility software, and device drivers, which run the computer hardware and enable application programs to execute. Application software is designed to help users perform specific tasks like word processing, spreadsheet creation, or photo editing. Application software can be custom-built for a specific user or purpose, or pre-packaged for general use.
Software are programs that enable computers to perform tasks by processing instructions. There are two main types: system software like operating systems, utilities, and drivers; and application software for specific tasks like word processing, games, etc. Software can be proprietary, sold commercially, freeware, or open source. It is installed from physical media or downloaded, and some common file types are associated with applications like .doc files for Word.
this ppt is about basic knowlegde of an OS and is certainly very helpful. helpful for a student. follow me at my instagram
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This document discusses future operating systems and outlines some key points. It introduces operating systems and their purpose, describes some common existing systems like Windows, Mac OS, and Linux. It then discusses operating systems for mobile phones and how they are different from desktop systems. Finally, it suggests some potential features for future operating systems, such as improved user interfaces, 3D graphics, faster connections, better backup systems, compatibility with virtual reality, and a focus on managing resources rather than files and folders.
The document discusses different types of operating systems including desktop operating systems, server operating systems, and mobile operating systems. Desktop operating systems are recommended for personal use by different groups for reasons like ease of use, stability, and capabilities. Server operating systems are designed for multi-user environments and provide security, stability, and collaboration for applications like file sharing, web services, and email. Mobile operating systems control functions on devices like phones and tablets, with examples being Android and iOS.
The document discusses operating systems, providing definitions and examples. It notes that an operating system manages computer hardware and software resources, provides common services for programs, and is required for applications to function. Popular modern operating systems include Android, BSD, iOS, Linux, OS X, QNX, Microsoft Windows, Windows Phone, and IBM z/OS. The document then gives a brief history of several operating systems, including GM-NAA I/O, Unix, MS-DOS, Mac OS, Windows 2000, Windows XP, Windows Server 2003, IOS, Android, Windows 7, and Windows 8. It concludes by describing some key components and features of operating systems, such as the kernel, program execution, modes, device drivers
This document discusses operating systems, including their definition, functions, types, examples, and market share. An operating system is a core software program that manages a computer's hardware and software resources and provides common services for running application programs. The main functions of an operating system include process management, memory management, file management, security management, and providing a user interface. Common types of operating systems are multi-user, multiprocessing, multi-tasking, multi-threading, and embedded systems. Popular examples include Windows, macOS, Linux, Android, and iOS. The market is currently dominated by Windows, Android, and iOS.
This document provides an overview of computer software and its types. It discusses that there are two main types: system software and application software. System software includes operating systems, utility software, and device drivers, which run the computer hardware and enable application programs to execute. Application software is designed to help users perform specific tasks like word processing, spreadsheet creation, or photo editing. Application software can be custom-built for a specific user or purpose, or pre-packaged for general use.
Software are programs that enable computers to perform tasks by processing instructions. There are two main types: system software like operating systems, utilities, and drivers; and application software for specific tasks like word processing, games, etc. Software can be proprietary, sold commercially, freeware, or open source. It is installed from physical media or downloaded, and some common file types are associated with applications like .doc files for Word.
this ppt is about basic knowlegde of an OS and is certainly very helpful. helpful for a student. follow me at my instagram
https://www.instagram.com/shantanu_stark/?hl=en
This document discusses future operating systems and outlines some key points. It introduces operating systems and their purpose, describes some common existing systems like Windows, Mac OS, and Linux. It then discusses operating systems for mobile phones and how they are different from desktop systems. Finally, it suggests some potential features for future operating systems, such as improved user interfaces, 3D graphics, faster connections, better backup systems, compatibility with virtual reality, and a focus on managing resources rather than files and folders.
The document discusses different types of operating systems including desktop operating systems, server operating systems, and mobile operating systems. Desktop operating systems are recommended for personal use by different groups for reasons like ease of use, stability, and capabilities. Server operating systems are designed for multi-user environments and provide security, stability, and collaboration for applications like file sharing, web services, and email. Mobile operating systems control functions on devices like phones and tablets, with examples being Android and iOS.
The document discusses operating systems, providing definitions and examples. It notes that an operating system manages computer hardware and software resources, provides common services for programs, and is required for applications to function. Popular modern operating systems include Android, BSD, iOS, Linux, OS X, QNX, Microsoft Windows, Windows Phone, and IBM z/OS. The document then gives a brief history of several operating systems, including GM-NAA I/O, Unix, MS-DOS, Mac OS, Windows 2000, Windows XP, Windows Server 2003, IOS, Android, Windows 7, and Windows 8. It concludes by describing some key components and features of operating systems, such as the kernel, program execution, modes, device drivers
This document discusses operating systems, including their definition, functions, types, examples, and market share. An operating system is a core software program that manages a computer's hardware and software resources and provides common services for running application programs. The main functions of an operating system include process management, memory management, file management, security management, and providing a user interface. Common types of operating systems are multi-user, multiprocessing, multi-tasking, multi-threading, and embedded systems. Popular examples include Windows, macOS, Linux, Android, and iOS. The market is currently dominated by Windows, Android, and iOS.
This document provides an introduction to different types of computer software. It discusses system software such as operating systems, compilers, loaders, linkers, and interpreters. It also covers application software including word processors, spreadsheets, graphic presentations, and database management systems. Open source software and proprietary software are defined. Examples of specific software are provided for each category.
The document provides an overview of new features in Windows 10, including the Start Menu, Cortana digital assistant, Xbox app for game streaming, Project Spartan web browser, improved multitasking capabilities, universal apps, Action Center for notifications, Continuum feature for switching between tablet and desktop modes, and system requirements.
This document provides an overview of operating systems. It begins with an introduction defining an operating system and its role. It then discusses the history of operating systems and the four main components of operating system software: memory management, processor management, device management, and file management. Finally, it outlines eight common types of operating systems including batch, multiprogramming, desktop, real-time, and distributed operating systems.
Computer Software and Operating SystemRupan Sharma
In this presentation we have described basic concept ofcomputer Software and operating system featurs, how they related to each other. Also we have described various types of computer software and operating system with examples and also their use. Some other aspects of computer software such as open source, copyright, licence and agreements are also described inthis slides.
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.
Windows is an operating system that allows users to operate a computer system. It features basic elements like icons, a start button, taskbar, desktop, and wallpaper. Windows XP included a quick launch bar and system tray, while Windows 7 introduced desktop gadgets and a notification area on the taskbar. Both operating systems use icons to represent programs and files, allow customizing the desktop wallpaper, and feature a start button to open programs and documents.
The document discusses different types of computer software. It defines software and describes the two main types: system software and application software. System software includes operating systems, compilers, and interpreters and interacts directly with hardware. Application software satisfies particular needs and can be customized or packaged programs. The document also discusses utility software, hardware, and the relationship between hardware and software.
This document provides an overview of computer hardware and software components and their uses. It describes the main hardware components as the tangible parts like monitors, disk drives, and keyboards. It defines applications software like word processing, spreadsheets, and databases. It also discusses systems software that runs the computer and defines the four main types of hardware: input devices, processor, storage, and output devices.
Computer software is a collection of programs and instructions that perform tasks on a computer. There are two main types of software: system software and application software. System software includes operating systems, utility programs, and device drivers that control and manage computer hardware operations. Application software includes programs that perform specific tasks for users, such as Microsoft Word, PowerPoint, Photoshop, and more.
This document summarizes different types of software. It describes system software like operating systems and utilities that allow hardware and other programs to function. It also discusses utility software for common tasks and application software for specific functions, giving examples like office suites and media players. Graphical and command line interfaces are covered as the primary ways users interact with software.
Application software is designed to help users perform specific tasks. There are several types of application software including programming software, system software, word processing software, spreadsheet software, database software, presentation software, and multimedia software. Examples of application software include enterprise software, accounting software, office suites, and graphics software.
The document provides an overview of Linux, including its history and features. It discusses how Linux originated from the GNU project and was started by Linus Torvalds. Linux is an open source operating system that can run on various platforms. It provides features like multi-user access, multitasking, and security benefits compared to other operating systems. The document also describes the typical Linux desktop environment and popular software applications available for Linux.
This document provides an overview of different types of computer software. It defines software as a series of instructions that tells the computer what tasks to perform. It distinguishes between system software like operating systems and utility programs, which control and maintain computer operations, and application software, which helps users be more productive by creating documents and media. It also describes different categories of application software such as packaged, custom, web applications, open source, shareware, freeware, and public domain software.
This document provides an introduction to Ubuntu, an open-source Linux operating system. It discusses what Ubuntu is, why users would want to use it, its default applications, and recent Ubuntu releases. It then provides overviews of the Ubuntu desktop, panels, menus, icons, virtual desktops, and the Nautilus file browser. It discusses how files are handled in Ubuntu and basic day-to-day file management tasks. The document concludes with exercises for the reader to complete.
An operating system manages computer resources and provides an interface for users and programmers to access those resources. Some common operating systems include Microsoft Windows, Apple Mac OS, Linux, Android, iOS, and BlackBerry OS. An operating system is important because it allows users and applications to communicate with computer hardware and make use of things like memory, processors, and storage.
You may have heard people talking about using an application or an app. But what exactly does that mean? An application (or app) is a type of software that allows you to perform specific tasks. Applications for desktop or laptop computers are sometimes called desktop applications, and those for mobile devices are called mobile apps. When you open an application, it runs inside the operating system until you close it. Much of the time, you will have more than one application open at the same time, and this is known as multitasking.
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The document discusses operating system concepts including process management, storage management, and virtual memory. It defines an operating system as software that manages hardware and other software. It describes key OS components like the memory manager, processor manager, and file manager. It also covers OS functions like resource allocation, program execution, I/O operations, and error detection. Process management involves scheduling processes in different states like ready, running, waiting. Virtual memory uses paging to store processes across main memory and disk.
This document provides an overview of Windows 8, including its roadmap, targeted platforms, versions, user interface called Metro, Windows Store applications, and key features and weaknesses compared to Windows 7. Windows 8 includes a new start screen instead of the start menu and task manager, and introduces a lock screen and different copy functionality. It targets desktop PCs, tablets, phones, and gaming consoles through a shared core that allows development of immersive, full-screen, touch-optimized apps distributed through the Windows Store.
The document discusses the core components of an operating system including the hardware, kernel, shell, user applications, and describes the functions of the process manager, memory manager, network manager, device manager, and file manager. It also provides information about various operating systems such as UNIX, Windows, MacOS, Linux, Android and iOS.
This document discusses different types of operating systems categorized based on processing method, interface type, and use case. There are single-user OS, multi-program OS, time-sharing OS, real-time OS, multiprocessing OS, and distributed OS. Interface types include command line, graphical user interface (GUI), and touchscreen interfaces. GUI uses windows, icons, menus, and pointers while touchscreens support gestures like pinching and swiping. The document provides examples for each operating system type and interface.
ITT project ON types of operating systemJiohj Etzs
This document discusses different types of operating systems categorized by their process management. It describes single-user OSs that can handle one user or one application at a time, as well as multi-user OSs that allow multiple simultaneous users. It also covers multitasking OSs that can run multiple applications concurrently by rapidly switching between them, multiprocessing OSs using multiple CPUs, and multithreading OSs where different parts of a program run concurrently. Other types discussed include real-time, embedded, batch processing, and distributed OSs. The document concludes with an overview of process management in operating systems.
This document provides an introduction to different types of computer software. It discusses system software such as operating systems, compilers, loaders, linkers, and interpreters. It also covers application software including word processors, spreadsheets, graphic presentations, and database management systems. Open source software and proprietary software are defined. Examples of specific software are provided for each category.
The document provides an overview of new features in Windows 10, including the Start Menu, Cortana digital assistant, Xbox app for game streaming, Project Spartan web browser, improved multitasking capabilities, universal apps, Action Center for notifications, Continuum feature for switching between tablet and desktop modes, and system requirements.
This document provides an overview of operating systems. It begins with an introduction defining an operating system and its role. It then discusses the history of operating systems and the four main components of operating system software: memory management, processor management, device management, and file management. Finally, it outlines eight common types of operating systems including batch, multiprogramming, desktop, real-time, and distributed operating systems.
Computer Software and Operating SystemRupan Sharma
In this presentation we have described basic concept ofcomputer Software and operating system featurs, how they related to each other. Also we have described various types of computer software and operating system with examples and also their use. Some other aspects of computer software such as open source, copyright, licence and agreements are also described inthis slides.
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.
Windows is an operating system that allows users to operate a computer system. It features basic elements like icons, a start button, taskbar, desktop, and wallpaper. Windows XP included a quick launch bar and system tray, while Windows 7 introduced desktop gadgets and a notification area on the taskbar. Both operating systems use icons to represent programs and files, allow customizing the desktop wallpaper, and feature a start button to open programs and documents.
The document discusses different types of computer software. It defines software and describes the two main types: system software and application software. System software includes operating systems, compilers, and interpreters and interacts directly with hardware. Application software satisfies particular needs and can be customized or packaged programs. The document also discusses utility software, hardware, and the relationship between hardware and software.
This document provides an overview of computer hardware and software components and their uses. It describes the main hardware components as the tangible parts like monitors, disk drives, and keyboards. It defines applications software like word processing, spreadsheets, and databases. It also discusses systems software that runs the computer and defines the four main types of hardware: input devices, processor, storage, and output devices.
Computer software is a collection of programs and instructions that perform tasks on a computer. There are two main types of software: system software and application software. System software includes operating systems, utility programs, and device drivers that control and manage computer hardware operations. Application software includes programs that perform specific tasks for users, such as Microsoft Word, PowerPoint, Photoshop, and more.
This document summarizes different types of software. It describes system software like operating systems and utilities that allow hardware and other programs to function. It also discusses utility software for common tasks and application software for specific functions, giving examples like office suites and media players. Graphical and command line interfaces are covered as the primary ways users interact with software.
Application software is designed to help users perform specific tasks. There are several types of application software including programming software, system software, word processing software, spreadsheet software, database software, presentation software, and multimedia software. Examples of application software include enterprise software, accounting software, office suites, and graphics software.
The document provides an overview of Linux, including its history and features. It discusses how Linux originated from the GNU project and was started by Linus Torvalds. Linux is an open source operating system that can run on various platforms. It provides features like multi-user access, multitasking, and security benefits compared to other operating systems. The document also describes the typical Linux desktop environment and popular software applications available for Linux.
This document provides an overview of different types of computer software. It defines software as a series of instructions that tells the computer what tasks to perform. It distinguishes between system software like operating systems and utility programs, which control and maintain computer operations, and application software, which helps users be more productive by creating documents and media. It also describes different categories of application software such as packaged, custom, web applications, open source, shareware, freeware, and public domain software.
This document provides an introduction to Ubuntu, an open-source Linux operating system. It discusses what Ubuntu is, why users would want to use it, its default applications, and recent Ubuntu releases. It then provides overviews of the Ubuntu desktop, panels, menus, icons, virtual desktops, and the Nautilus file browser. It discusses how files are handled in Ubuntu and basic day-to-day file management tasks. The document concludes with exercises for the reader to complete.
An operating system manages computer resources and provides an interface for users and programmers to access those resources. Some common operating systems include Microsoft Windows, Apple Mac OS, Linux, Android, iOS, and BlackBerry OS. An operating system is important because it allows users and applications to communicate with computer hardware and make use of things like memory, processors, and storage.
You may have heard people talking about using an application or an app. But what exactly does that mean? An application (or app) is a type of software that allows you to perform specific tasks. Applications for desktop or laptop computers are sometimes called desktop applications, and those for mobile devices are called mobile apps. When you open an application, it runs inside the operating system until you close it. Much of the time, you will have more than one application open at the same time, and this is known as multitasking.
Click here for more!! https://ph.seekweb.com/ws?
The document discusses operating system concepts including process management, storage management, and virtual memory. It defines an operating system as software that manages hardware and other software. It describes key OS components like the memory manager, processor manager, and file manager. It also covers OS functions like resource allocation, program execution, I/O operations, and error detection. Process management involves scheduling processes in different states like ready, running, waiting. Virtual memory uses paging to store processes across main memory and disk.
This document provides an overview of Windows 8, including its roadmap, targeted platforms, versions, user interface called Metro, Windows Store applications, and key features and weaknesses compared to Windows 7. Windows 8 includes a new start screen instead of the start menu and task manager, and introduces a lock screen and different copy functionality. It targets desktop PCs, tablets, phones, and gaming consoles through a shared core that allows development of immersive, full-screen, touch-optimized apps distributed through the Windows Store.
The document discusses the core components of an operating system including the hardware, kernel, shell, user applications, and describes the functions of the process manager, memory manager, network manager, device manager, and file manager. It also provides information about various operating systems such as UNIX, Windows, MacOS, Linux, Android and iOS.
This document discusses different types of operating systems categorized based on processing method, interface type, and use case. There are single-user OS, multi-program OS, time-sharing OS, real-time OS, multiprocessing OS, and distributed OS. Interface types include command line, graphical user interface (GUI), and touchscreen interfaces. GUI uses windows, icons, menus, and pointers while touchscreens support gestures like pinching and swiping. The document provides examples for each operating system type and interface.
ITT project ON types of operating systemJiohj Etzs
This document discusses different types of operating systems categorized by their process management. It describes single-user OSs that can handle one user or one application at a time, as well as multi-user OSs that allow multiple simultaneous users. It also covers multitasking OSs that can run multiple applications concurrently by rapidly switching between them, multiprocessing OSs using multiple CPUs, and multithreading OSs where different parts of a program run concurrently. Other types discussed include real-time, embedded, batch processing, and distributed OSs. The document concludes with an overview of process management in operating systems.
This document discusses different types of computer systems including batch processing systems, single-user systems, multi-user systems, single-tasking systems, multi-tasking systems, multiprogramming systems, and distributed systems. It provides examples of batch processing systems for payroll and utility billing. It also describes how batch processing, single-user systems, multi-user systems, multi-tasking, and multiprogramming systems work with no direct user interaction and by allocating short time slices to different programs or users.
The document discusses the architecture and functions of operating systems. It describes operating systems as system software that acts as an interface between hardware and application software. The key functions of operating systems include managing memory, files, devices, and providing common services for application programs. Examples of common operating systems like Windows, UNIX, and VAX/VMS are given.
Firefox OS is an open source mobile operating system developed by Mozilla that uses HTML5 and CSS3 to build apps, replacing traditional mobile platforms. It uses the Gecko layout engine to render interfaces and is built on top of a Linux kernel, with Gaia providing the user interface and hardware accessed through Web APIs. Major phone manufacturers like Alcatel, LG, and ZTE have partnered with Mozilla to release Firefox OS devices.
Firefox OS is an open source mobile operating system built using HTML5 and other web standards. It allows developers to create apps using common web technologies like HTML, CSS, and JavaScript that can run across mobile, desktop, and tablet platforms. Mozilla created Firefox OS to prove that an open alternative mobile platform was possible using these web standards. The Firefox OS architecture consists of three main components - Gaia for the user interface, Gecko as the application runtime engine, and Gonk for the lower level operating system functions.
Firefox is a free and open-source web browser developed by Mozilla. It is an alternative to Internet Explorer and is known for its speed, security features, and customizability through extensions and themes. Firefox 3.5 introduced improvements such as faster page loading, private browsing, and better integration with web-based applications.
This document provides information about different operating systems including MS Dos, Windows, Linux, Unix, and Apple Mac. It lists some common commands for MS Dos like Help, Cls, Net user, Start, and Exit. It then discusses features of the Windows operating system like the task bar, start button, how to check the date and time, and how to change settings. It asks several questions about using Windows relating to tasks like what to do if the computer freezes, how to restart or shut down, how to take screenshots, and differences between save/save as, copy/cut, image file types, and delete/shift delete.
Advantages and disadvantages of an ajax based client applicationPlacinta Alin
Ajax is a technique for building interactive web applications where certain parts of a web page are updated without reloading the entire page. The key benefits of Ajax include reducing response times, allowing asynchronous data retrieval and updates, and making web applications feel more like desktop applications. Some common uses of Ajax include autocomplete functions, live searches, and chat applications. While Ajax provides benefits like improved interfaces and responsiveness, it also has disadvantages such as pages being hard to bookmark and search engines not indexing dynamically updated content. Developers must also consider browser compatibility, network latency, and security issues when implementing Ajax.
1. The document discusses the history of a town from 1642-2000 including events like the founding of the town and growth over time.
2. It describes the development of industries in the town and challenges it faced.
3. The town expanded significantly in the late 1900s and continues to grow today.
Firefox OS is an open source mobile operating system developed by Mozilla. It uses Linux as its kernel and Gecko as its rendering engine. The user interface is created using HTML5, CSS, and JavaScript (Gaia) and runs on top of Gecko (Gecko). Below Gecko is Gonk, which provides the hardware abstraction layer. When a Firefox OS device boots up, it starts the bootloader which loads the Linux kernel, then the init process is launched along with Gecko and Gaia. Apps are web apps created using web technologies which have access to device APIs through Gecko. Firefox OS aims to make developing for mobile as easy as developing for the web.
Chromium and Firefox have different architectural designs. Chromium follows a multi-process model with a browser kernel managing separate renderer and plugin processes, allowing crashes in one tab/plugin to be isolated. Firefox traditionally used a single process model but is working on a multi-process model. The multi-process approach enhances stability in Chromium but uses more resources, while Firefox uses fewer resources but vulnerabilities could previously affect the whole browser. Both browsers use extension and plugin systems but Chromium sandboxes plugins for added security.
TinyOS is an open source operating system designed for wireless sensor networks. It is an event-driven OS written in the nesC programming language. Applications and libraries are built as software components that interact in an event-driven way without preemption. TinyOS uses static linking and has constraints on memory and power due to running on small embedded devices.
Firefox OS is an open source mobile operating system developed by Mozilla. It uses open web technologies like HTML5, CSS and JavaScript to build apps, allowing developers to build once and deploy apps across devices without needing to learn different native platforms. The OS consists of Gecko for rendering web content, Gaia for the user interface, Gonk as the Linux-based kernel, and various web APIs for functionality like telephony, SMS, contacts and more. Developers can publish apps to the Mozilla Marketplace or install/host them directly on devices.
This document discusses and compares online learning and classroom learning. It defines online learning as having two categories: synchronous learning which occurs at scheduled times via video or chat, and asynchronous learning which allows students to work at their own pace with periodic instructor communication. It lists advantages of online learning like time savings and lower cost, and disadvantages like needing internet and computer skills. Classroom learning benefits from direct access to instructors and participation in activities, but has disadvantages of schedule restrictions and costs. The conclusion is that while online learning has benefits, classroom teaching is preferred due to the support of teachers and interpersonal interaction.
This document discusses different types of storage devices. It describes three major technologies for computer storage: magnetic, optical, and flash memory. Magnetic storage includes internal and external hard disks, which use magnetic platters and read/write heads. Optical storage uses CDs and DVDs in read-only, write-once, or read-write formats. Flash memory storage includes cards like CompactFlash, SD cards, and USB flash drives.
Bba203 unit 2 operating system conceptskinjal patel
The document provides an introduction to operating systems, outlining their key functions and types. It discusses single-user and multi-user operating systems, how operating systems manage resources and devices, and important concepts like booting, file management, and multitasking. Specific examples of operating systems are given for each type, like DOS, Windows, and Linux. The document also defines important terms related to operating systems such as files, directories, volume labels, and different types of file access.
This document discusses three major mobile operating systems: Android, iOS, and RIM. It provides details on the origins and technical underpinnings of Android and iOS. Android was developed by Android Inc which was later acquired by Google. It uses the Linux kernel and is programmed in C/C++ and Java. iOS was created by Apple for the original iPhone and is only available on Apple devices. It is programmed in C, C++ and Objective-C. The document also briefly outlines the history of the Blackberry OS.
This document provides an overview of the Linux operating system. It discusses that Linux was originally developed in 1991 as a free Unix-like kernel and has since grown significantly through contributions from open source developers worldwide. It describes Linux's origins and key characteristics, such as being free and open source, highly customizable, stable, and secure. The document also outlines popular uses of Linux including on servers, smartphones, and embedded devices, and highlights some of its major advantages over other commercial operating systems.
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.
This document provides an introduction to Linux by Murtala Lawal. It discusses what Linux is, its history and development, popular desktop environments and distributions, programming in Linux, uses of Linux on desktops, servers, supercomputers, and other devices. It highlights benefits of Linux like security, stability, free cost, bundled software, easy updating and customization. It also discusses adoption of Linux in various sectors and countries. The document encourages readers to consider using Linux due to these advantages over other operating systems.
An operating system manages computer hardware and software resources, provides common services to programs, and acts as an interface between the computer and user. The document discusses key operating systems Windows and Linux. It describes features of different Windows versions from 95 to 8 and popular Linux distributions like Ubuntu, Fedora, and Debian. It provides a comparison of Windows and Linux on aspects such as bundled software, drivers, price, reliability, hardware support, security, open source nature, support and software costs. Linux is typically more secure, open source, and free while Windows has broader hardware and software support.
The document provides information about operating systems and computer security. It defines an operating system as a set of programs that manage computer hardware resources and provide common services for application software. It lists five main services provided by operating systems: program execution, I/O operations, file system manipulation, communications, and error detection. It also discusses different types of operating systems including GUI, multi-user, multiprocessing, multitasking, and multithreading operating systems. Finally, it covers the importance of computer security and risks like data loss, misuse, and cybercrime.
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.
An operating system is software that acts as an interface between the user and computer hardware, managing tasks like file management, memory usage, running programs, and connecting to peripheral devices. The document discusses several common operating systems including Windows, MacOS, Linux, Unix, MS-DOS, Android, and iOS. For each OS, it provides a brief history and overview and lists some of their key features.
The document discusses operating systems, describing them as the most important programs that run on computers and allow them to run other programs. It outlines the major functions of operating systems like process management, resource management, file management, and security management. It then describes some common operating systems like Mac OS, Linux, Ubuntu, UNIX, and RTOS. Finally, it provides a brief history of operating systems from the 1950s to today, highlighting early systems like GM-NAA I/O, MCP, DOS/360, CP/M, and modern systems like Windows, Mac OS X, Linux, and Red Hat Enterprise Linux.
The document discusses the history and features of the Linux operating system. It notes that Linux was developed in 1991 as a free Unix-like operating system. Linux is open-source software composed of the Linux kernel and other software bundled together in distributions like Ubuntu, Fedora, and Debian. The document outlines Linux's advantages over other operating systems like its stability, security, customizability and ability to run on older hardware. It also discusses Linux's growing adoption in servers, smartphones, and other devices.
The document discusses different types of system software including operating systems, utility programs, language processors, and device drivers. It describes the functions of operating systems like managing resources, providing a user interface, loading and executing programs, protecting data, and controlling devices. The three main categories of operating systems are introduced as embedded, standalone, and network operating systems. Examples are provided for different operating systems like Windows, Mac OS, Linux, iOS, Android, and more.
An operating system is software that acts as an interface between users and computer hardware, managing tasks like file management, memory allocation, process management, input/output processing, and device control. Common operating systems include Windows, Linux, macOS, iOS, and Android. Operating systems perform important functions like process management, I/O management, memory management, and more. Operating systems have evolved from early mainframe systems to today's graphical desktop and mobile operating systems. Understanding how operating systems work is important for computer programmers and developers.
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.
Characteristic & Aplication of some popular operating system.জুবায়ের আহমেদ ত্বহা
This document summarizes and compares several popular operating systems:
- Unix is a stable, multi-user operating system used for servers, desktops and laptops. It uses processes and a hierarchical file structure.
- MS-DOS was a single-user OS for IBM PCs. It used COMMAND.COM to run programs and had utility programs for tasks like formatting disks.
- Windows improved on DOS with a graphical interface. It features sleep/resume, search improvements and supports peripherals without devices.
- Linux is a free, open-source OS that runs on various CPUs. It enables multitasking, multi-user access and shares code through libraries.
This document compares the Windows and Linux operating systems. It discusses that Windows was developed by Microsoft to overcome limitations of MS-DOS, while Linux was created in 1991 by Linus Torvalds. It outlines key versions and features of each OS, such as ease of use for Windows and open source nature of Linux. The document compares aspects like security, price, compatibility and bundled software. It concludes that no OS is definitively better, and the best choice depends on the individual user's needs.
The document provides information about different desktop and mobile operating systems:
- Windows is the most widely used desktop OS, with over 90% market share. It has gone through several versions from Windows XP to Windows 8.
- Mac OS X is also a powerful desktop OS popular among graphic designers. It provides features like Spotlight and Dashboard widgets.
- Linux is a popular open-source alternative to Windows. Google's Chrome OS is based on Linux.
- Virtualization allows a single computer to run multiple guest operating systems virtually.
- Popular mobile OSes include Android, iOS, BlackBerry OS, Windows Phone, and WebOS. Android and iOS have seen the fastest growth.
The document discusses different types of operating systems including desktop OS, mobile OS, and virtualization. It provides details on the most popular desktop OS such as Windows, Mac OS, Linux, and their versions. It mentions that Windows has 90% of the desktop market. It also discusses features of different mobile OS including Android, iOS, BlackBerry OS, WebOS, and Windows Phone. It provides a brief introduction to Linux, UNIX, and virtualization explaining how a single computer can run multiple guest OS.
The document provides information about different desktop and mobile operating systems:
- Windows is the most widely used desktop OS, with over 90% market share. It has gone through several versions from Windows XP to Windows 8.
- Mac OS X is also a powerful desktop OS popular among graphic designers. It provides features like Spotlight and Dashboard widgets.
- Linux is a popular open-source alternative to Windows. Google's Chrome OS is based on Linux.
- Virtualization software allows a single computer to run multiple guest operating systems virtually.
- Popular mobile OSes include Android, iOS, Blackberry OS, Windows Phone, and WebOS. Each was developed by different companies like Google, Apple, RIM,
The document discusses various operating systems including Windows, Macintosh, and Linux. It provides details on the history and versions of Windows, including early versions from 1985 to recent versions. It also discusses Macintosh systems introduced by Apple in 1984 and key Apple hardware and software products. Finally, it outlines the history and development of Linux, an open-source operating system, along with its use in servers, mainframes, embedded systems, and other applications.
The operating system (OS) is essential software that manages computer hardware resources and allows applications to function. It acts as an intermediary between hardware and software, controlling devices like displays, keyboards, storage drives and more. Common OS examples are Windows, Mac OS, and Linux. The OS provides multitasking, allowing users to run multiple programs simultaneously, as well as a graphical user interface (GUI) accessed through icons, windows and menus.
The document discusses different types of operating systems. It begins by defining an operating system as an interface between the user and computer hardware that manages resources and allows applications to run. It then covers the main functions of operating systems like memory management, process management, and file management. The rest of the document summarizes different categories of operating systems including GUI, multi-user, multi-tasking, multi-processing, and multi-threading operating systems. It also provides examples like Windows, Mac OS, Linux, and discusses some of their features. Server operating systems and their applications are covered as well as some popular mobile operating systems.
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This document provides an overview of wound healing, its functions, stages, mechanisms, factors affecting it, and complications.
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2. INTRODUCTION
Operating System is the set of programs that controls a computer.
OS’es offer a number of services to application programs and users.
OS makes computer more convenient to use.
Operating System provides a pleasant and effective interface
between the user and the hardware.
5. Windows OS
Windows OS is developed by Microsoft.
Most Dominant & popular OS in today’s
market.
User friendly OS.
There is also a mobile version of Windows as
well as a server version of Windows (Latest
version of windows server is 2016).
Latest version of windows is Windows 10
6. Windows XP
The term “XP” stands for experience.
Windows XP is the successor to both Windows 2000
Professional and Windows ME.
Within XP there are 2 main editions: Home and Professional.
The Professional version has additional features and is
targeted at power users and business clients.
Windows XP has released a set of service packs (currently
there are 3) which fix problems and add features.
Windows XP is used by most of organizations.
Windows XP is an multi user OS and has Graphical User
Interface (GUI).
7. WINDOWS VISTA
Windows Vista contains many changes and new
features from XP.
Improvement in GUI and Visual style.
For graphics, Microsoft has added Windows Display
Driver Model (WDDM) and a major revision to
Direct 3D.
IPv6 network technology was added to Vista.
Vista includes technologies which employ fast flash
memory to improve system performance by
chaching commonly used programs and data.
8. SECURITY IN WINDOWS
Windows is the most vulnerable OS to attacks.
Security software is a must when you’re using Windows
which is much different then Linux and OS X.
It has been criticized for its susceptibility to malware,
viruses, trojan horses, and worms.
Windows has historically been a tempting target for
virus creators because of its world market dominance.
It is recommended to have automatic updates turned on
to prevent a system from being attacked by an unpatched
bug.
9. VERSIONS OF WINDOWS OS
Windows 10 (Latest)
Windows 8.1
Windows 8
Windows 7
Windows Vista
Windows XP
10. LINUX
Linux (also known as GNU/Linux) is one of the most prominent examples
of free software and open source development which means that typically
all underlying source code can be freely modified, used, and redistributed by
anyone. The name “Linux” comes from the Linux kernel, started in 1991 by
Linus Torvalds. The system’s utilities and libraries usually come from the
GNU operating system (which is why it is also known as GNU/Linux).
Linux is predominantly known for its use in servers. It is also used as an
operating system for a wide variety of computer hardware, including
desktop computers, supercomputers, video game systems, and embedded
devices such as mobile phones and routers.
11. MAC OS
Mac OS is a series of graphical user interface-based operating
systems developed by Apple Inc. for their Macintosh line of
computer systems.
Mac OS was designed only to run on Apple Computers.
In 1984, Apple introduced the Macintosh PC with the
Macintosh Operating System.
Apple names its OS as “Mac OS”, beginning in 1997 which
was previously known as “System”.
12. THE FIRST MAC OS
The first Mac was introduced by
Apple’s chairman Steve Jobs was the
first successful personal computer to
feature a mouse and a Graphical User
Interface(GUI).
The Mac OS could be easily
distinguished from other Operating
systems because it was the only OS
with a full GUI.
These releases could only run one
program at a time which could later
run multiple programs.
13. VARIOUS VERSIONS OF MAC OS
Version Codename Release Date
Mac OS X 10.0 Cheetah March 24, 2001
Mac OS X 10.1 Puma September 25, 2001
Mac OS X 10.2 Jaguar August 24, 2002
Mac OS X 10.3 Panther October 24, 2003
Mac OS X 10.4 Tiger April 29, 2005
Mac OS X 10.5 Leopard October 26, 2007
Mac OS X 10.6 Snow Leopard August 28, 2009
Mac OS X 10.7 Lion July 20, 2011
Mac OS X 10.8 Mountain Lion July 25, 2012
Mac OS X 10.9 Mavericks October 22, 2013
Mac OS X 10.10 Yosemite October 16,2014
Mac OS X 10.11 El Capitan September 30, 2015
Mac OS X 10.12 Sierra September 20, 2016
14. ADVANTAGES OF MAC OS
Easy to Use
The Mac OS is much easier to ease than any other operating system. Even people
who are not familiar with it can operate it easily.
Integration With Apple and Other Products
Mac OS will automatically recognize and work with any other Apple product,
such as iPhone, Cinema Display, Airport, and iPad. On top of this, additional drivers
are rarely needed for non-Apple products.
Mac OS can run Windows at the same time
Mac OS runs on Intel chips, which means you can run XP or Vista concurrently
with Mac OS, with Boot Camp or Parallels software.
15. ADVANTAGES OF MAC OS
Reliability
Apple controls production from start to finish, so every part of a Mac is designed
and tested to work together.
Design
It’s designed to deliver the most intuitive and integrated computer experience in
the world.
16. DISADVANTAGES OF MAC OS
Gaming
If you're a computer gamer, Mac OS isn't going to do it for you. Boot Camp and
Parallels will allow you to run games natively in Windows, but there may be a
performance hit. Some games are produced for Mac OS, but the number is very
small.
Price
All that flashy secure reliable power comes at a price. Macs cost more than
machines that run other operating systems.
17. DISADVANTAGES OF MAC OS
Fewer Software Options
Not all applications are yet available for Mac Unlike Windows.
Cannot be upgraded/customized
There are upgrade options when you buy a Mac, but unlike a Windows PC, you
cannot mix and match components. The easiest way to upgrade a Mac is to buy a
new one.
18. WHAT IS DOS???
DOS stands for Disk operating system.
It is used for abstraction and management of secondary
storage devices of the computers and the information
stored there.
19. HISTORY
In early days of computers, there were no disk drives;
instead magnetic tapes, punched cards etc. were used.
After creation of hard disks and floppy disks,
the need of a software for managing rapid access to block
storage of sequential and other data became inevitable.
So, DOS was developed.
20. NAMING THE FILES IN DOS
DOS permits the user to assign a name consisting of two
parts to a filename - primary & secondary names.
Primary can consist of 8 characters while
secondary can consist of 3 characters.
Both names are separated by a dot (.)
For eg; Bioedit.exe
21. EXAMPLES OF DISK OPERATING
SYSTEMS
DOS/360 for IBM system/360 family of Mainframe
computers.
DOS for DEC PDP-II Minicomputers.
The best known family of operating systems named
DOS was that running on IBM PC’s type hardware using the
INTEL CPU’s or alike. The original was 86-DOS, which
later became MS-DOS when Microsoft bought the license
and rights.
22. DIFFERENCE BETWEEN MS-DOS
AND WINDOWS
DOS Windows
Single User Multi User
Single tasking Multi tasking
Not time Sharing Time Sharing
Input device Keyboard Standard Input devices are Keyboard &
Mouse
Character User Interface (CUI) Graphical User Interface (GUI)
23. LINUX
Linux (also known as GNU/Linux) is one of the most prominent examples
of free software and open source development which means that typically
all underlying source code can be freely modified, used, and redistributed by
anyone. The name “Linux” comes from the Linux kernel, started in 1991 by
Linus Torvalds. The system’s utilities and libraries usually come from the
GNU operating system (which is why it is also known as GNU/Linux).
Linux is predominantly known for its use in servers. It is also used as an
operating system for a wide variety of computer hardware, including
desktop computers, supercomputers, video game systems, and embedded
devices such as mobile phones and routers.
Linux OS is very complicated OS and very hard to use.
24. ADVANTAGES OF LINUX
FREEDOM!
Most Linux distributions are free….. users do not need to pay for a copy,
but this is only one aspect of freedom enjoyed by Linux users!
LINUX IS VERY STABLE!
Linux systems rarely crash, and when they do, the whole system normally
does not go down. The “blue screen of death” familiar to Windows users is not a
worry for Linux users.
LINUX IS LESS VULNERABLE TO COMPUTER MALWARE!
Because most computer malware are designed to attack Windows (often
through Active X which is not typically found in Linux) the odds are considerably
less for Linux to be infected with a virus than Windows.
25. ADVANTAGES OF LINUX
LINUX TYPICALLY DOES NOT SLOW DOWN OVER TIME!
Unlike Windows, Linux does not easily become bogged down with
spyware, viruses, trojans, etc., which can greatly reduce a computer’s
performance.
26. DISADVANTAGES OF LINUX
MANY WINDOWS PROGRAMS WILL NOT RUN IN LINUX.
iTunes, Microsoft Office, Internet Explorer and many other
Windows programs will not run natively in Linux. The good news is that there are
decent ways around most of these problems.
THERE IS A SMALLER SELECTION OF PERIPHERAL HARDWARE
DRIVERS FOR LINUX.
There is a smaller selection of peripheral hardware drivers (for printers,
scanners, and other devices) in Linux as compared to Windows, though many new
Linux hardware drivers are constantly being added.
27. DISADVANTAGES OF LINUX
THERE IS A LEARNING CURVE FOR PEOPLE WHO ARE
NEW TO LINUX.
Despite this, most Linux distros, especially the major ones, are
very intuitive and user-friendly. Also, the desktop environments in Linux are in
many ways similar to Windows in their appearance. One thing which should be
emphasized is that there is also a learning curve for Windows XP users who
switch to Windows 7 or Windows 8.
28. UNIX
The Unix operating system was born in the late 1960s. It originally
began as a one man project led by Ken Thompson of Bell Labs, and
has since grown to become the most widely used operating system.
In the time since Unix was first developed, it has gone through many
different generations and even mutations.
• Some differ substantially from the original version, likely Berkeley
Software Distribution (BSD) or Linux.
• Others, still contain major portions that are based on the original
source code.
29. FEATURES OF UNIX
MULTI-USER & MULTI-TASKING
Most version of Unix are capable of allowing multiple users to log onto the
system, and have each run multiple tasks. This is standard for most modern os.
OVER 30 YEARS OLD
Unix is over 30 years old and it’s popularity and use is still high. Over these
years, many variations have spawned off and many have died off, but most modern
Unix system can be tracked back to the original versions. It has endured the test of time.
LARGE NUMBER OF APPLICATIONS
There are an enormous amount of applications available for Unix OS.
They range from commercial applications such as CAD, MAYA, WordPerfect, to
many free applications.
30. FEATURES OF UNIX
FREE APPLICATIONS AND EVEN A FREE OS
Of all of the applications available under Unix, many of them are free. The compilers
and the interpreter that we use in most of the programming courses here at UMBC can be
downloaded free of charge. Most of the development that we do in programming course is done
under the Linux OS.
LESS RESOURCE INTENSIVE
In general, most Unix installations tend to be much less demanding on system
resources. In many cases, the old family computer that can barely run Windows is more than
sufficient to run the latest version of Linux.
INTERNET DEVELPOMENT
Much of the backbone of the internet is run by Unix servers. Many of the more
general web servers run Unix with the Apache web server - another free application
31. FLAVORS OF UNIX
AIX– Developed by IBM for use on its Mainframe Computers.
BSD/OS– Developed by Wind River for Intel processors.
HP-UX– Developed by Hewlett-Packard(HP) for its HP 9000 series of business.
IRIX – Developed by SGI for applications that use 3D visualization and virtual .
reality.
QNX– A real time OS developed by QNS Software Systems primarily for use in
embedded systems.
SOLARIS– Developed by Sun Microsystems for the SPARC platform and the most
widely used proprietary flavors for web servers.
Tru64– Developed by Compaq for the Alpha processor.