blkdiscard(8) on Linux
The text 0110b4fe1a0c, as Debian 8 (Jessie) shipped it.
discard sectors on a device
Flags it lists
-
--help -
--length -
--offset -
--secure -
--verbose -
--version -
-V -
-h -
-l -
-o -
-s -
-v