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

In January, the European Commission began an initial investigation, known as a specification proceeding, into how Google has implemented AI in the Android operating system. —Robert Pearlman, ArsTechnica, 27 Apr. 2026

Similarly, if half my operating system is in French all of a sudden, c’est parce que j’ai l’ajouté. —Nathan Edwards, The Verge, 26 Apr. 2026

Strong antivirus software catches threats your instincts might miss, and keeping apps and operating systems current closes the gaps that models like Mythos are built to find. —Kurt Knutsson, FOXNews.com, 25 Apr. 2026

According to Chairman Wang Junjun, the new model will features some of the latest auto technology, including a next-generation Qiankun intelligent driving system and a new HarmonyOS cockpit and operating system developed by Huawei. —ABC News, 24 Apr. 2026

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)