Question

what is operating System ​

Answer 1

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An Operating System (OS) is an interface between a computer user and computer hardware. An operating system is a software which performs all the basic tasks like file management, memory management, process management, handling input and output, and controlling peripheral devices such as disk drives and printers.

Answer 2

An operating system (OS) is system software that manages computer hardware, software resources, and provides common services for computer programs. ... Other specialized classes of operating systems, such as embedded and real-time systems, exist for many applications.