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Wednesday, January 11, 2012

Operating System I

Operating System is programme that acts as interface between user of a computer and the computer hardware.

What does operating system do :

* The Operating system controls the way the computer functions.
* Initialize the hardware of the computer system.
* Provide basic routines for device control.
* Provide for the management , scheduling and interaction of tasks.
* Maintain system integrity and handle errors.
* Maintains system clean up functions.

Types of operating systems

* Real time operating system
* Single user single task operating system
* single user multitask operating system
* Multi user operating system
* Multi processing operating system
* Multi tasking operating system
* Multi threading operating system

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