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Steve (and Steve), Thanks for your help on debugging my compiling of NetCDF. I changed the C compiler from /opt/anisc/bin/cc to /opt/ansic/bin/c89 and things now magically worked. However, I get errors running "make" when the cxx part comes up. Before I include any of the error messages, I was wondering if you could describe to me the differences between cc, c89, and c++. I'm unclear as to what compiler I should be using for the environment variable CXX. I have not programmed in C, just Fortran, so I'm still learning the C process. Thanks Brett