I've had this problem, too. In my case, it was because Netscape automatically un-gzip-ed it for me, but didn't change the extension. You may want to do a "file gdb-4_17_gnat_3_11p_alpha-dec-osf4_0d.gz" and see if it is an executable. At 10:18 AM 10/21/99 +0200, Herve Bitteur wrote: >Since I'm getting into running Ada programs on a DEC/Compaq Alpha machine, >I've downloaded the corresponding GNAT version for NYU. >It works fine for the compiler itself. >However, the gdb file (gdb-4_17_gnat_3_11p_alpha-dec-osf4_0d.gz) seems in >a different archive format than the other *.gz files found on the NYU server. >I've tried several utilities : tar, gzip and winzip choke on it. >Who knows which format this is, and (better) which tool I should use ? > >Here is the list of alpha-related files found in the gnat+gdb directories : >NOT OK : gdb-4_17_gnat_3_11p_alpha-dec-osf4_0d.gz >OK : gdbtk-4_17-alpha-dec-osf4_0d_tar.gz >OK : gnat-3_11p-alpha-dec-osf4_0d-bin_tar.gz > >Thanks for any clue, > >-- Hervé >[log in to unmask] >[log in to unmask] Victor T. Giddings Phone: 703-295-6500 Senior Product Engineer Fax: 703-295-6501 Objective Interface Systems [log in to unmask]