blkdiscard(8) on Linux
The text 5d673031f610, as Debian 11 (Bullseye) shipped it.
discard sectors on a device
Flags it lists
-
--force -
--help -
--length -
--offset -
--secure -
--step -
--verbose -
--version -
--zeroout -
-V -
-f -
-h -
-l -
-o -
-p -
-s -
-v -
-z