CEFR B1

os

noun

Meaning

The fundamental software that controls and manages a computer's hardware and software resources, providing common services for computer programs. It acts as an interface between the user and the computer hardware.

Examples

Windows is a popular operating system developed by Microsoft.
macOS is known for its user-friendly interface and strong security features.

Synonyms: system software, platform, environment

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os (B1)

noun

Pronunciation: /ɒs/

Definition

Examples

Windows is a popular operating system developed by Microsoft.
macOS is known for its user-friendly interface and strong security features.

How to Use os

OS X (collocation): Specific name for Apple's operating system (now macOS). — "My first computer ran on OS X."
OS/2 (collocation): A specific operating system developed by IBM and Microsoft. — "OS/2 was a competitor to Windows in the 1990s."

Synonyms of os

Words with a similar meaning to os:

Antonyms of os

Words with the opposite meaning to os:

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