Two problems may arise when running GILDAS under Unix. The first one is due to the use of the as an option separator in SIC, and as a tree/subtree separator in pathnames under Unix. The second is that SIC is normally case unsensitive, while Unix is case sensitive. Placing the file name within double-quote will prevent making case conversion.
Typed named Expanded Filename gag_log:toto.log /users/me/.gag/logs/toto.log
Typed named Expanded Filename \users\me\toto.log /users/me/toto.log "sub\DIRE\Toto.Dat" sub/DIRE/ToTo.dat