This is my lecture on types of Operating System

1. Welcome to the Second term syllabus

2. Today’s Lecture on
Types of Operating System(OS)

3. What is OS ?
An operating system (OS) is system
software that manages computer
hardware and software resources and
provides common services for
computer programs.

4. Example of OS

5. Types of OS
● Real Time OS
● Distributed OS
● Single Tasking vs Multitasking OS
● Multiuser OS
● Embedded OS
● Network OS
● Time-sharing OS

6. Real Time OS
● A real-time system is defined as a data processing system
in which the time interval required to process and respond
to inputs is so small that it controls the environment.
● Example: Scientific experiments, medical imaging
systems, industrial control systems, weapon systems,
robots, air traffic control systems, etc.

7. Multiuser OS
● A multi-user operating system is an operating system that
allows multiple users on different computers or terminals to
access a single system with one OS on it.
● Example:
Windows NT
Windows Vista
Windows XP
Xenix

8. Multitasking OS
● A (preemptive) multitasking OS is able to run more than
one process simultaneously and has control over which
process is using the CPU and other resources at each
time
● Example
Microsoft Windows 2000,
Linux

9. Distributed OS
● A distributed operating system is a software over a
collection of independent, networked, communicating, and
physically separate computational nodes.
● Example
Microsoft Windows Server 2003, Microsoft Windows
Server 2008, UNIX, Linux, Mac OS X, Novell NetWare,
and BSD

10. Distributed OS

11. Embedded OS
● An embedded operating system is a specialized OS for use in
the computers built into larger systems. An embedded system is
a computer that is part of a different kind of machine.
● Example
Symbian - Used in cell phones, mainly ones made by Nokia.
Embedded Linux - Of which Android is a subset, used in many
other devices like printers.
BlackBerry OS - For BlackBerry phones.
iOS - Subset of Mac OS X, used in Apple's mobile devices.
Palm OS.

12. Thank you