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Meaning of “operating system” in the English Dictionary

"operating system" in British English

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operating systemnoun [C]

uk   /ˈɒp.ər.eɪ.tɪŋ ˌsɪs.təm/ us   /ˈɑː.pə.reɪ.t̬ɪŋ ˌsɪs.təm/
a set of programs that control the way a computer system works, especially how its memory is used and how different programs work together
(Definition of operating system from the Cambridge Advanced Learner’s Dictionary & Thesaurus © Cambridge University Press)

"operating system" in American English

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operating systemnoun [C]

us   /ˈɑp·əˌreɪ·t̬ɪŋ ˌsɪs·təm/ abbreviation OS
the set of programs that a computer uses to operate, store files, and communicate with devices and other computers
(Definition of operating system from the Cambridge Academic Content Dictionary © Cambridge University Press)

"operating system" in Business English

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operating systemnoun [C]

uk   us   abbreviation OS, O/S IT
a program that controls the way a computer works, and that allows applications (= programs for particular purposes) to work on it: a computer/PC operating system A leading economist denied that the firm has a monopoly in the PC operating system market.
(Definition of operating system from the Cambridge Business English Dictionary © Cambridge University Press)
Translations of “operating system”
in Chinese (Simplified) (计算机的)操作系统…
in Turkish bilgisayar yazılım sistemi…
in Russian операционная система…
in Chinese (Traditional) (電腦的)操作系統…
in Polish system operacyjny…
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