operating system

noun

: software that controls the operation of a computer and directs the processing of programs (as by assigning storage space in memory and controlling input and output functions)

Examples of operating system in a Sentence

Recent Examples on the Web

The annual updates across the operating systems does refresh the ecosystem every twelve months. —Ewan Spence, Forbes.com, 13 July 2025

In the future, the AI startup will open up its browser to free users and support more operating systems. —PC Magazine, 10 July 2025

Apple has deep ties to China and has launched an artificial intelligence product incorporated into its operating systems. —Los Angeles Times, 8 July 2025

For sucking up pet hair, our testers preferred this Eufy robot vacuum to a popular iRobot Roomba model due to its efficient, quiet operating system and skillful performance lifting even the most stubborn fur from multiple floor types. —Madison Yauger, People.com, 7 July 2025

Word History

First Known Use

1961, in the meaning defined above

Rhymes for operating system

• cryptosystem
• ecosystem
• intersystem
• multisystem
• photosystem
• subsystem

Kids Definition

operating system

noun

: software that controls the operation of a computer and directs the processing of the user's programs (as by controlling input and output functions)