Unable to open the display

[Benjamin Riefenstahl]

Hi Alex,

"Alex Vinokur" writes:
> $ /usr/X11R6/bin/gs foo.tex
> GNU Ghostscript 7.05 (2002-04-22)
> Copyright (C) 2002 artofcode LLC, Benicia, CA.  All rights reserved.
> This software comes with NO WARRANTY: see the file PUBLIC for details.
> GNU Ghostscript 7.05: Cannot open X display `(null)'.
> **** Unable to open the initial device, quitting.

Start your application from a running xterm, or use the -display
option of gs and gv, or set the DISPLAY environment variable.  See
man X for details. 

benny