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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Google also found examples of multiple Russian groups creating malware for Windows and Android to grab Signal data from the Microsoft and Google operating systems. Thomas Brewster, Forbes, 19 Feb. 2025 But now, more than ever, most people will want to go through the OS and turn off a bunch of stuff to make the day-to-day experience of using the operating system less annoying. Ars Technica, 19 Feb. 2025 Many cyberattacks exploit unpatched vulnerabilities, so enabling automatic updates for your operating system, apps and antivirus software can significantly reduce your risk. Kurt Knutsson, Cyberguy Report, Fox News, 15 Feb. 2025 Driving the news: The app is now available in the Google Play store and will be available for download through Google's app store across all platforms, including smart TV operating systems, a source familiar with its thinking said. Axios, 13 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 23 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)

More from Merriam-Webster on operating system

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