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Showing results for operating system. Search instead for operativdienststellen.
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.

Its Basic programming language and DOS operating system weren’t innovative in the market—but became standards.

From Barron's • Mar. 13, 2026

The case claims the shop built into the PlayStation's operating system was designed to make players a "captive class".

From BBC • Mar. 10, 2026

Their Android-based operating system offers users centralised settings designed to control access to their data, with a selectable security level on a scale of one to five.

From Barron's • Mar. 4, 2026

Gen AI, in particular, will move from a co-pilot to an operating system for finance — engaging with stocks, fixed income, derivatives and other assets.

From MarketWatch • Feb. 25, 2026

Or maybe your brain works on a different operating system from other people’s like mine and you’ve worked it out too.

From "The London Eye Mystery" by Siobhan Dowd

From Roget's 21st Century Thesaurus, Third Edition Copyright © 2013 by the Philip Lief Group.