'''X''' usually refers to the '''X Window System''',
currently at Version 11  Revision 6. Hence often also
refered to as '''X11''', or '''X11R6'''.

This X11 is not to be confused with [MacOS X] which is also often just called "X" by Mac afficiandos.

References

   * http://www.x.org        - X in general
   * http://www.xfree86.org  - XFree implementation of X (servers)
   * news://comp.windows.x

----
[Category Application]