vos_listvol(1) on Linux
The text 9c2a3e4d81d7, as Debian 7 (Wheezy) shipped it.
Displays information from a volume header
Flags it lists
-
-encrypt -
-extended -
-fast -
-format -
-help -
-localauth -
-long -
-noauth -
-noresolve -
-quiet -
-verbose