palo(8) on Linux
The text cffdab5436c6, as Debian 10 (Buster), Debian 9 (Stretch), Debian 8 (Jessie), Debian 6.0 (Squeeze), Debian 5.0 (Lenny), Debian 4.0 (Etch), Debian 3.1 (Sarge), Debian 3.0 (Woody) shipped it.
hppa/palinux Linux boot media management (think lilo)