$ Xorg -version

X Window System Version 7.1.1
Release Date: 12 May 2006
X Protocol Version 11, Revision 0, Release 7.1.1
Build Operating System: Linux 2.6.15.7 i686 
Current Operating System: Linux parvulus 2.6.17-11-generic #2 SMP Thu Feb 1 19:52:28 UTC 2007 i686
Build Date: 07 July 2006
        Before reporting problems, check http://wiki.x.org
        to make sure that you have the latest version.
Module Loader present