operating system

noun

: 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
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The phones are the first capable of running Huawei’s new operating system called HarmonyOS NEXT. Evelyn Cheng, CNBC, 6 Feb. 2025 Apple officially rolled out macOS Sequoia 15.3 on Jan. 27, the latest update for its Mac operating system, which offers new features, improvements and security updates. Anders Fogh Rasmussen, Newsweek, 5 Feb. 2025 Andrew Cunningham Senior Technology Reporter Andrew is a Senior Technology Reporter at Ars Technica, with a focus on consumer tech including computer hardware and in-depth reviews of operating systems like Windows and macOS. Ars Technica, 5 Feb. 2025 The company has long faced complaints from Chinese smartphone makers over its business practices surrounding the Android operating system, Gong said. Huizhong Wu, Chicago Tribune, 4 Feb. 2025 See all Example Sentences for operating system 

Word History

First Known Use

1961, in the meaning defined above

Time Traveler
The first known use of operating system was in 1961

Dictionary Entries Near operating system

Cite this Entry

“Operating system.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/operating%20system. Accessed 14 Feb. 2025.

Kids Definition

operating system

noun
: software that controls the operation of a computer and directs the processing of the user's programs (as by controlling input and output functions)

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