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what is a operating sestem
An operating system (OS) is a collection of software that manages computer hardware resources and provides common services for computer programs. The operating system is a vital component of the system software in a computer system. Application programs usually require an operating system to function.

An operating system is a special piece of software that manages the general operation of a computer system:

It provides a user interface so that we can interact with the computer

It manages applications that are running on the computer, starting them when the user requests, and stopping them when they are no longer needed

It manages files, helping us save our work, organise our files, find files that we have saved and load files

It manages the computers memory, deciding what should be loaded into memory and what should be removed

It looks after computer security, preventing unauthorised access to the system

It manages the computer'??s input and output hardware such as printers, etc.


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