Berkeley Software Design

Berkeley Software Design, Inc.

Industry	Computer software
Genre	Operating system software
Founded	1991
Founder	Rick Adams, Keith Bostic, Marshall Kirk McKusick, Mike Karels, Bill Jolitz
Defunct	2001/2002
Fate	Acquired
Successor	Wind River Systems, iXsystems
Headquarters	U.S.
Products	BSD/OS
Website	bsdi.com at the Wayback Machine (archived 1999-04-20)

Berkeley Software Design, Inc. (BSDI or, later, BSDi), was a software company founded in 1991 by members of the Computer Systems Research Group (CSRG), known for developing and selling BSD/OS (originally known as BSD/386), a commercial and partially proprietary variant of the BSD Unix operating system for PCs.