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Definitions

operating system

[op-uh-rey-ting sis-tuhm] / ˈɒp ə reɪ tɪŋ ˌsɪs təm /


Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

Researchers with security firm Calif found two bugs in Apple’s desktop operating system, using techniques from Anthropic’s Mythos AI.

From The Wall Street Journal • May 14, 2026

He also drew parallels between the current environment, when the internet was just beginning to flourish and Windows 95, a groundbreaking operating system, was first released.

From MarketWatch • May 7, 2026

Apple unveiled the updates to its operating system in March.

From BBC • May 5, 2026

Many analysts say Palantir isn’t as vulnerable as other software providers because it designed an operating system to integrate with a variety of AI models and can make them more useful.

From The Wall Street Journal • May 4, 2026

The first version of the Windows operating system launched in 1985, and the breakthrough version that made IBM PCs much more user-friendly—Windows 3.0—shipped on May 22, 1990, only six months after the wall went down.

From "The World Is Flat" by Thomas L. Friedman




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