Date: 07 May 1993 00:00:01 EST

  The following three file groupings indicate where files that affect
  your login session reside.

  1) /usr/lib/X11/* - This is THE starting place. Here you find the
  system default bindings for Motif, 4Dwm, and the Toolchest. The xdm
  directory lives here as well as the app-defaults directory. xdm
  controls the session management. Many application defaults are set in
  the app-defaults directory.

  2) $HOME/[.Xdefaults, .4Dwmrc, .chestrc, .xsession, .sgisession] Here
  you find the files that control your system set-up.  You create these
  files; they don't exist when you first log in.

  3) /usr/bin/X11 - This is where the binaries live. It makes life nice
  to include this directory in your path.

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