What is an operating system?

What is an operating system? Here are some definitions.

Noun (software) Software that controls the allocation and usage of hardware resources such as memory, CPU time, disk space, and input and output devices. Find more words! 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I have one or two criticisms of this operating system, because errors of the kind that I made should be recoverable but are not. The faster chip also requires that the operating system and applications that run on top of it be recompiled for 64-bit processing. The operating system must be reinstalled, along with all of the necessary support packs and server applications. The code is specific to this operating system and will not run successfully on other operating systems. In 1991, Torvalds began experimenting with a rudimentary operating system kernel. See Also What is another word for operating system? Sentences with the word operating system Words that rhyme with operating system What is the plural of operating system? Translations for operating system Nearby Definitions operating room tables operating room table operating rooms operating-room operating room operating losses operating-system operating systems operating table operating tables operating theatre operating-theatre