What are the major functions of an operating system


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What is an operating system ? explain the major function of an operating system

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An operating system is system software that manages computer hardware and software resources and provides common services for computer programs.
An operating system has three main functions:
(1) manage the computer's resources, such as thecentral processing unit,memory, disk drives, and printers.
(2) establish a user interface.
(3) execute and provide services for applications software.

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