geli(8) on FreeBSD
The text 28a4a8379bd6, as FreeBSD 6.3-RELEASE, FreeBSD 6.2-RELEASE shipped it.
control utility for cryptographic GEOM class
Flags it lists
-
-B -
-K -
-P -
-a -
-b -
-d -
-e -
-f -
-i -
-k -
-l -
-n -
-p -
-r -
-s -
-v