unixderivative

noun
UK /ˈjuːnɪks dɪˈrɪvətɪv/
US /ˈjuːnɪks dɪˈrɪvətɪv/

A Unix derivative is a computer system made by changing or copying an older system called Unix.

Many modern operating systems are a Unix derivative that grew from the original Unix code.


OTHER MEANINGS

2. A software project that borrows heavily from Unix design ideas without using its code.

That teaching kernel is a Unix derivative in spirit, though it shares no original code.

3. A company or product line that branched off from the original Unix business.

The firm began as a Unix derivative after splitting from AT&T's licensing arm.

4. In general use, anything that developed out of something older and larger.

The new club is a Unix derivative of the original fan group, keeping the same rules.