Some cleanup of the remote tape interface, but a lot more is needed.
Ideally, we'd have a "rmt" library which provides a remote tape API
including open, read, write, close, and ioctl. This is useful not
only for mt, but also for programs like tar, cpio, pax, backup and
restore.
are distinct (See POSIX.2 glossary).
A utility is a executable, script or shell builtin; while a command
can be any of those things plus lists, pipelines, compound commands
(if, for, while) and shell function definitions.
