...mber. The minor numbers can be grouped into two sets of four numbers: the principal (auto-rewind) minor device numbers, n , and the “no-rewind” device numbers, ( n + 128). Devic…...il some command is issued that positions the tape to a known position. Typically you must rewind the tape (by issuing mt -f /dev/st0 rewind for example) before I/O can proceed a…