Article Table 1 Table 2 Table 3 Table 4
Table 5 apr2005.tar

Table 1 Solaris mtio manual page segment describing tape device name format

/dev/rmt/<unit number><density>[<BSD behavior>][<no rewind>]
        Where density can be l, m, h, u/c (low, medium, high, 
        ultra/compressed, respectively), BSD behavior (optional) b no 
        rewind (optional) n