mt(1) on FreeBSD
The text 539fe40bcab5, as FreeBSD 10.4-RELEASE shipped it.
magnetic tape manipulating program
Flags it lists
-
-L -
-b -
-d -
-e -
-f -
-l -
-m -
-p -
-q -
-r -
-s -
-v -
-w -
-x