A free UNIX

• Bill Jolitz created free version (386BSD, Mar 92) based on Net/2 (Jun 91)

• Former CSRG members formed a company called Berkeley Software Design, Inc. (BSDI -June 91)

• BSDI marketed a commercial operating system called BSD/386, later BSD/OS (Mar 93)

• NetBSD (Apr 93), FreeBSD (Nov 93) and OpenBSD (Oct 95)