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Showing results for operating system.
Definitions

operating system

[op-uh-rey-ting sis-tuhm] / ˈɒp ə reɪ tɪŋ ˌsɪs təm /
NOUN
computer software for basic operation
Synonyms
WEAK
MS-DOS MacOS OS OS/2 UNIX Windows disk operating system dos executive system software systems program

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.

Roku makes streaming devices and licenses its operating system to TV makers.

From Barron's • May 1, 2026

In his view, “fully controlling both the operating system and hardware” would allow OpenAI to deliver this type of product.

From MarketWatch • Apr. 27, 2026

Google and iPhone-maker Apple are among operating system developers offering them as an alternative way users can sign into accounts.

From BBC • Apr. 24, 2026

Mythos has apparently found thousands of “high-severity vulnerabilities” in “every major operating system and web browser,” the company said.

From The Wall Street Journal • Apr. 19, 2026

He yelled a question to Eric about the new operating system.

From "Geeks: How Two Lost Boys Rode the Internet Out of Idaho" by Jon Katz