# Wrong argument
./mt -x
>>>2 /usage: /
>>>= 1

# Missing tape argument
./mt -f
>>>2 /usage: /
>>>= 1

# Unknown command
./mt to-the-moon
>>>2 /mt: unknown command "to-the-moon"/
>>>= 1

# Too many arguments
./mt rewind 1
>>>2 /mt: too many arguments for the command 'rewind'\./
>>>= 1

# Ambigous command
./mt l
>>>2 /mt: ambiguous command "l"/
>>>= 1

# Shortened but not ambiguous command.
./mt rewi 1
>>>2 /mt: too many arguments for the command 'rewind'\./
>>>= 1

# Densities command - the only one not requiring a tape.
./mt densities
>>> /LTO-6/
>>>= 0