Definition of operating system in English:

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operating system

Pronunciation: /ˈäpəˌrādiNG ˌsistəm/

noun

The software that supports a computer’s basic functions, such as scheduling tasks, executing applications, and controlling peripherals.
Example sentences
  • There are also a variety of software operating systems available for smart phones and other mobile devices.
  • In fact, Linux is nowhere near the mainstream of computer desktop operating systems.
  • In addition, that OS will have support for Linux guest operating systems.

For editors and proofreaders

Syllabification: op·er·at·ing sys·tem

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