Please merge tags , and See Daniel Beck’s comment. They seem to refer to the same thing.

  • 2
    x is the X Window system protocol, x11 its current major release (since the late 80s), and xorg a specific implementation (as opposed to e.g. xfree86). See e.g. here. While there's probably no practical difference between x and x11, there is one between spec and implementation.
    – Daniel Beck Mod
    Feb 6, 2012 at 15:02
  • 5
    Again, stop using a useless meta tag like what-irks-me
    – Sathyajith Bhat Mod
    Feb 6, 2012 at 15:03


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