sfill(1) on Linux
The text ca92831303f4, as Debian 11 (Bullseye), Debian 10 (Buster), Debian 9 (Stretch), Debian 8 (Jessie) shipped it.
secure free disk and inode space wiper (secure_deletion toolkit)
Flags it lists
-
-I -
-f -
-i -
-l -
-v -
-z