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>From: address@hidden >Organization: Lockheed >Keywords: 199406081730.AA07229 netCDF compressed tar file Rock, >I am a new Internet user and would appreciate some assistance. After several >trials and tribulations I have been able to transfer the netcdf.tar.Z file from >you computer to my HP/UNIX system. However, when I try to access the files >contained in netcdf.tar.Z I get a nasty error message. Since I am not a UNIX >buff, I am becoming one however, I really don't know how to resolve this >dilemma. > >Command : tar tf netcdf.tar.Z >Response: directory checksum error > >Command : tar xf netcdf.tar.Z >Response: directory checksum error > >Any assistance would be greatly appreciated. The file netcdf.tar.Z is a compressed tar file. You first have to uncompress it before untarring it. I suggest either: uncompress netcdf.tar.Z tar xvf netcdf.tar or zcat netcdf.tar.Z | tar xvf - Tom Yoksas