unix-style operating system

noun
UK /ˈjuːnɪks staɪl ˈɒpəreɪtɪŋ ˈsɪstəm/
US /ˈjuːnɪks staɪl ˈɑːpəreɪtɪŋ ˈsɪstəm/

A computer system that works in the same way as Unix.

Linux is a popular Unix-style operating system.


OTHER MEANINGS

2. A system that follows Unix design ideas but is not officially Unix.

macOS is built on a Unix-style operating system.

3. Software that uses Unix commands and file rules.

The server runs a Unix-style operating system for easy scripting.

4. A family of systems sharing Unix tools and behavior.

Many phones use a Unix-style operating system under the hood.