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 Use an operating system that helps preserve your privacy and anonymity, such as Tails (https://tails.boum.org). NBC News, "SecureDrop," 1 July 2020 The public beta of the new phone operating system will begin sometime in July with the full version’s release sometime in fall 2020. Stacey Leasca, Travel + Leisure, "Apple Just Announced New Features For Your iPhone — Here’s What We Love in iOS14," 23 June 2020 The keynote, typically serves as a venue for Apple to highlight its latest iOS operating system, will be done online only, due to crowd restrictions to combat the spread of the coronavirus. Mike Snider, USA TODAY, "Live blog: What you need to know from Apple's Worldwide Developers Conference.," 22 June 2020 But a public beta version of the operating system will be available next month for those willing to accept the potential for bugginess in the earliest versions. Roberto Baldwin, Car and Driver, "Apple Is Adding Electric-Vehicle Routing to Maps App," 22 June 2020 The preview of the next version of the iPhone’s operating system, known as iOS 14, highlighted Apple’s annual conference for computer programmers and mobile app makers. Michael Liedtke, BostonGlobe.com, "Apple previews new iPhone software, changes to Mac chips," 22 June 2020 Many of the key features unveiled at WWDC will relate to Apple's upcoming iPhone operating system, iOS 14. Samantha Murphy Kelly, CNN, "What to expect from Apple's WWDC this year," 19 June 2020 Some larger OEMs offer Linux as an alternative operating system on a few models—but System76 sells Linux systems, and only Linux systems. Jim Salter, Ars Technica, "Linux distro review: System76’s Ubuntu-based Pop!_OS," 11 June 2020 The latest update to Google's operating system has a host of privacy and security improvements. Lily Hay Newman, Wired, "Android 11 Will Help You Rein In Zombie App Permissions," 10 June 2020

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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Statistics for operating system

Last Updated

6 Jul 2020

Cite this Entry

“Operating system.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/operating%20system. Accessed 11 Jul. 2020.

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More Definitions for operating system

operating system


English Language Learners Definition of operating system

computers : 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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