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
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
The probe comes about 25 years after Microsoft fought a high-stakes antitrust battle with the U.S. government over the company's bundling of its internet browser and its Windows PC operating system. Christiaan Hetzner, Fortune, 29 Nov. 2024 The Chinese are pushing the boundaries to 24 months and this includes new digital operating systems which in the West except Tesla no one has really figured out. Sarwant Singh, Forbes, 28 Nov. 2024 The company faced an anti-monopoly lawsuit from the Department of Justice in the late ‘90s over the bundling of its web browser and Windows operating system. Lauren Feiner, The Verge, 27 Nov. 2024 At the time, US antitrust officials accused Microsoft of illegally bundling its Internet Explorer browser with the Windows PC operating system, a move that allegedly harmed competition by preventing rival browsers such as Netscape Navigator from gaining traction with users. Brian Fung, CNN, 20 Nov. 2024 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 18 Dec. 2024.

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

Last Updated: - Updated example sentences
Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!