My original post was as follows:
When I try to run ghostscript I get the following message:
# ./gs F-15.ps
Initializing... gs: Cannot open X display `(null)'.
I had ensured that I had permission vi xhost + and confirmed
that I was trying to open a valid postscript file.
Several people responded, and the winning solution was SO
easy that I'm embarassed that I was not able to debug:
Make sure to setenv DISPLAY hostname:0.0
Thankyou for all who responded,
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