operating system Meaning in the Cambridge English Dictionary
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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   us  
a set of ​programs that ​control the way a ​computersystemworks, ​especially how ​itsmemory is used and how different ​programswork 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, ​storefiles, 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 ​computerworks, and that ​allows applications (= ​programs for particular ​purposes) to ​work on it: a computer/PC operating system A ​leadingeconomist denied that the ​firm has a ​monopoly in the PC ​operatingsystemmarket.
(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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