berkeleyunix

noun
UK /ˈbɜːkli ˈjuːnɪks/
US /ˈbɜːrkli ˈjuːnɪks/

Berkeley Unix is a computer operating system made at a school called Berkeley.

My dad used Berkeley Unix when he was a student.


OTHER MEANINGS

2. A family of Unix versions developed at the University of California, Berkeley.

Many modern systems trace their roots to Berkeley Unix.

3. Software that added networking tools like TCP/IP to Unix.

Berkeley Unix helped computers talk to each other over the internet.

4. A base for later open-source systems such as FreeBSD.

FreeBSD grew out of Berkeley Unix code.