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  ken /ken/ n.  1. [Unix] Ken Thompson, principal inventor of
  Unix.  In the early days he used to hand-cut distribution tapes, often
  with a note that read "Love, ken".  Old-timers still use his first name
  (sometimes uncapitalized, because it's a login name and mail address) in
  third-person reference; it is widely understood (on Usenet, in particular)
  that without a last name `Ken' refers only to Ken Thompson.  Similarly,
  Dennis without last name means Dennis Ritchie (and he is often known
  as dmr).  See also {demigod}, {{Unix}}.  2. A flaming user.  This was
  originated by the Software Support group at Symbolics because the two
  greatest flamers in the user community were both named Ken.