Related:

• UNIX enhancements aren't.
• BSD: Unix with Berkeley enhancements. LSD: Reality with Berkeley enhancements.
• 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....
• a standardized UNIX will be a broken UNIX. -- jason downs downsj@csos.orst.edu
• CAT Confused And Tired [UNIX]
• CC Crappy Control [UNIX]
• ED Expunge Data [UNIX]
• E Pluribus Unix.