Logical tape device files are found in the /dev/rmt/*
directory as symbolic links from the /devices directory.
The first tape device connected to the system is 0 (/dev/rmt/0), which might be one of the following types: QIC-11, QIC-24, QIC-150,
or Exabyte. Tape density values (l, m, h, c, and u) are described
in Chapter 47, Managing Tape Drives (Tasks).