The command "mt -f /dev/nst0 fsf 13" does not advance the tape under release 5.2. Similarly "bsf 1" does not work. Work around: 1. Symlink /dev/tape to /dev/nst0 then "mt fsf 13" or 2. Replace /bin/mt of RedHat 5.2 with that of RedHat release 5.1
*** This bug has been marked as a duplicate of 577 ***