scrub-files(1) on Linux
The text 78cddd85ced7, as Debian 11 (Bullseye), Debian 10 (Buster), Debian 9 (Stretch) shipped it.
securely erase files by filling with random data first.
Flags it lists
-
--follow -
--help -
--passes -
--recursive -
--rename -
--truncate -
--verbose