Related:

• UNIX enhancements aren't.
• BSD /B-S-D/ n. [abbreviation for `Berkeley Software Distribution'] a family of Unix versions for the DEC VAX and PDP-11 developed by Bill Joy and others at Berzerkeley starting around 1980
  incorporating paged virtual memory, TCP/IP networking enhancements, and many other features....
• BSD: /B-S-D/ n. [abbreviation for `Berkeley System Distribution'] a family of {{UNIX}} versions for the {DEC} {VAX} and PDP-11 developed by Bill Joy and others at {Berzerkeley} starting around 1980
  incorporating paged virtual memory, TCP/IP networking enhancements, and many other features....
• There are two major products that come out of Berkeley
  LSD and UNIX. We don't believe this to be a coincidence. -- Jeremy S. Anderso...
• Parts of this product may be derived from UNIX and Berkeley 4.
  3 BSD systems... -- Label on Solaris 2.x disk...
• berklix /berk'liks/ n.,adj. [contraction of `Berkeley Unix'] See BSD.
  Not used at Berkeley itself. May be more common among suits attempting to sound like cognoscenti than among hackers, who usually just say `BSD'....
• berklix: /berk'liks/ n.,adj. [contraction of `Berkeley UNIX'] See {BSD}.
  Not used at Berkeley itself. May be more common among {suit}s attempting to sound like cognoscenti than among hackers, who usually just say `BSD'....