scrub(1) on Linux
The text 10340ccaab3d, as Debian 7 (Wheezy) shipped it.
write patterns on disk/file
Flags it lists
-
--blocksize -
--device-size -
--dirent -
--force -
--freespace -
--help -
--no-link -
--no-signature -
--pattern -
--remove -
--version -
-D -
-L -
-S -
-X -
-b -
-f -
-h -
-p -
-r -
-s -
-v