Yes, advice from another user took me down that same path. Indeed it isn't a compiling issue but rather that my home directory is not in the path. Thank you for your suggestion though! -----Original Message----- From: Pierre-Matthieu anglade [mailto:pierre.matthieu.anglade@xxxxxxxxx] Sent: Tuesday, November 08, 2005 2:52 AM To: JARVIS, KANDY S. (JSC-KX) (ESCG); gcc-help@xxxxxxxxxxx Subject: Re: compiling What happens when you try to execute your band.exe? What is the error message? Two frequent error: -if you try: > f77 -o band.exe *.f then > band.exe the file may not be found. try > ./band.exe On some system your compiler is not compatible with the defaults runtime libs. (it is the cas with my redhat fc4 :-( ) Then you migh which to do: > f77 -static -o band.exe *.f > ./band.exe -- Pierre-Matthieu Anglade