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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.

There is now a version of Microsoft’s Windows operating system for Arm-based chips, and software engineers have been developing more programs for Arm as the number of Arm-based PCs grows.

From The Wall Street Journal • Jun. 2, 2026

IBM’s own guidance suggested that 10% growth is likely the ceiling through 2026, largely due to slowing demand for its core product, the Red Hat Enterprise Linux operating system.

From Barron's • Jun. 1, 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

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

If the computer’s operating system was rewritten, computer scientists realized, the machine’s time could be shared; the computer could be trained to handle hundreds of tasks at the same time.

From "Outliers" by Malcolm Gladwell




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