Test Socket
Make a thumbnail
convert -geometry '160x160>' source dest
Merge changed xdefaults without restarting the server
xrdb -merge .Xdefaults
list of color definitions
/usr/X11R6/lib/X11/rgb.txt
Replace all whitespace in all filenames within current directory
\ls -Q | xargs perl -e ' for (@ARGV) { $new = $_; $new =~ s/\s/'-'/g;
rename $_, $new; }'
