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
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Ales Holecek, chief technology officer for Microsoft's Experiences and Devices Group that includes the Windows operating system and other products, will become chief architect for security and will report to Gallot, Nadella wrote.
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Jordan Novet, CNBC, 4 Feb. 2026
Control over browser defaults, mobile operating systems, and massive search datasets continues to shape how traffic flows across the internet.
—Neetika Walter, Interesting Engineering, 3 Feb. 2026
Keep your operating system and browsers fully updated as well.
—Kurt Knutsson, FOXNews.com, 3 Feb. 2026
Marcos manipulated the political operating system itself.
—Alejandro Reyes, Washington Post, 3 Feb. 2026
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Jordan Novet, CNBC, 4 Feb. 2026
Control over browser defaults, mobile operating systems, and massive search datasets continues to shape how traffic flows across the internet.
—Neetika Walter, Interesting Engineering, 3 Feb. 2026
Keep your operating system and browsers fully updated as well.
—Kurt Knutsson, FOXNews.com, 3 Feb. 2026
Marcos manipulated the political operating system itself.
—Alejandro Reyes, Washington Post, 3 Feb. 2026
See All Example Sentences for operating system
Cite this Entry
“Operating system.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/operating%20system. Accessed 8 Feb. 2026.
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