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Definitions

operating system

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


Example Sentences

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Beacon Software, an AI holding company, raised a $225 million Series C round to acquire software companies and enhance its AI operating system.

From The Wall Street Journal • Jun. 9, 2026

"Legislation could cover operating system providers and others in the supply chain, such as retailers, and will not affect the use of devices owned and used by adults who verify their age," he said.

From BBC • Jun. 8, 2026

Apple deftly made the transition to Arm Macs because it controlled every part of the product: The chip, the device, the operating system, many of the apps, and the developer tools.

From Barron's • Jun. 2, 2026

The operating system stayed embedded in retail, banking, healthcare, energy, law enforcement and defense systems long after it should have been retired.

From MarketWatch • May 27, 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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