operating system


Definition of operating system

: software that controls the operation of a computer and directs the processing of programs (as by assigning storage space in memory and controlling input and output functions)

Examples of operating system in a Sentence

Recent Examples on the Web The short-form video app, which claims to have more than 1 billion monthly users, has launched the TikTok TV app on Google TV and other Android TV operating system devices, LG Smart TVs, and Samsung Smart TVs in North America. Todd Spangler, Variety, 22 Nov. 2021 The big differences between the two are form factor and operating system compatibility. Washington Post, 19 Nov. 2021 With iOS holding 57% of the U.S. mobile operating system market share, and Apple accounting for 53% of smartphone sales in Canada, this has understandably caused concern for advertisers about the efficacy of their campaigns. Alex Wan, Forbes, 27 Oct. 2021 Another new feature likely won't be used much by regular Android users, but could mark the beginning of an important trend in operating system security. Lily Hay Newman, Wired, 27 Oct. 2021 Many were hoping that Google building its own chips would mean longevity on par with the iPhone, which often gets five or six years of actual operating system updates. Christian De Looper, BGR, 25 Oct. 2021 Microsoft held 85% of the global operating system market across all PCs and smartphones a decade ago, according to analytics firm Statcounter. Aaron Tilley, WSJ, 14 July 2021 That’s one of the longest stretches that Microsoft has gone between major operating system upgrades. Ken Colburn, The Arizona Republic, 29 June 2021 Microsoft on Thursday officially announced its latest PC operating system update, called Windows 11. Clare Duffy, CNN, 24 June 2021

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'operating system.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

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First Known Use of operating system

1961, in the meaning defined above

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Time Traveler for operating system

Time Traveler

The first known use of operating system was in 1961

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Dictionary Entries Near operating system

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operating system

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Statistics for operating system

Last Updated

28 Nov 2021

Cite this Entry

“Operating system.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/operating%20system. Accessed 1 Dec. 2021.

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More Definitions for operating system

operating system


English Language Learners Definition of operating system

: the main program in a computer that controls the way the computer works and makes it possible for other programs to function

operating system


Kids Definition of operating system

: a program or series of programs that controls the operation of a computer and directs the processing of the user's programs

More from Merriam-Webster on operating system

Nglish: Translation of operating system for Spanish Speakers

Britannica.com: Encyclopedia article about operating system


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