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

Apple unveiled the updates to its operating system in March.

From BBC • May 5, 2026

“They don’t care about the fact that the operating system below is blah, blah, blah.”

From The Wall Street Journal • May 2, 2026

QNX is the operating system that enables all kinds of driver assistance: collision warnings, blind-spot notifications, adaptive cruise control, pedestrian detection and steering you back into a lane when you’re drifting into trouble.

From The Wall Street Journal • May 2, 2026

The EU on Monday laid out measures it wants Google to take to open up its operating system to rival AI services, in a move slammed by the US tech giant.

From Barron's • Apr. 27, 2026

This is how having a funny brain that runs on a different operating system from other people’s helped me to figure out what had happened.

From "The London Eye Mystery" by Siobhan Dowd