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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Though limited, Parallels' support for running x86 operating systems is a unique feature that other companies haven't been able to offer yet. Ars Technica, 14 Jan. 2025 There's a way to upgrade your tech without buying a new computer: just upgrade the operating system to Windows 11 Pro for improved productivity, usability, and security. New Atlas, 13 Jan. 2025 Quick recovery times that don't introduce more risk by being premature can be achieved by optimizing workflows and platforms to allow the rebuilding of operating systems and applications while investigating incidents and recovering data in parallel. James Blake, Forbes, 10 Jan. 2025 Also demonstrating its original vehicle operating system (OS) with Level 3 automatous technologies, along with a new energy service, as a part of its initiatives toward its goal of carbon neutrality. Marc Saltzman, USA TODAY, 9 Jan. 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 17 Jan. 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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