LibertyBSD_xenocara/xenocara/app/xkill

xkill is a utility for forcing the X server to close connections to
clients. This program is very dangerous, but is useful for aborting
programs that have displayed undesired windows on a user's screen.

All questions regarding this software should be directed at the
Xorg mailing list:

http://lists.freedesktop.org/mailman/listinfo/xorg

Please submit bug reports to the Xorg bugzilla:

https://bugs.freedesktop.org/enter_bug.cgi?product=xorg

The master development code repository can be found at:

git://anongit.freedesktop.org/git/xorg/app/xkill

http://cgit.freedesktop.org/xorg/app/xkill

For patch submission instructions, see:

http://www.x.org/wiki/Development/Documentation/SubmittingPatches

For more information on the git code manager, see:

http://wiki.x.org/wiki/GitPage