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 Keep Software Updated: Regularly update your operating system, antivirus software, and other applications to patch security vulnerabilities. Advertorial, Orange County Register, 10 Apr. 2024 The car’s operating system — dubbed by some as safetyOS — could also theoretically be tailored for robots, according to people familiar with the effort. Tribune News Service, The Mercury News, 4 Apr. 2024 How so? Lauren Goode: Well, overseas, Android is the most dominant operating system in the world. Michael Calore Lauren Goode, WIRED, 28 Mar. 2024 The small tech startup quickly became one America’s fastest-growing companies, overtaking the incumbent Apple and dominating the growth of personal computers in the 1990s by developing Windows, an easy-to-use operating system. Sunny Nagpaul, Fortune, 24 Mar. 2024 The lawsuit asks the court to stop Apple from engaging in current practices, including blocking cloud-streaming apps, undermining messaging across smartphone operating systems and preventing the creation of digital wallet alternatives. Tripp Mickle, New York Times, 21 Mar. 2024 The infotainment system will run on Rivian’s own operating system, and like Tesla, won’t support Apple CarPlay or Android Auto. Andrew J. Hawkins, The Verge, 7 Mar. 2024 PCs operating systems are another control point, as Apple learned when Microsoft famously out maneuvered them driving the company to the point of bankruptcy in the 1990s. Andrew Binns, Forbes, 27 Feb. 2024 Having recently tried Kia’s latest Connected Car Navigation Cockpit (ccNC) operating system in the 2024 Sorento, there isn’t much of a learning curve, and as in the Sorento wireless Android Auto and Apple CarPlay will be standard. Alex Kwanten, Forbes, 27 Mar. 2024

These examples are programmatically compiled from various online sources to illustrate current usage of the word 'operating system.' Any opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback about these examples.

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 19 Apr. 2024.

Kids Definition

operating system

: 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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