grub-mkrescue(1) on Linux
The text 9a0fd22d8513, as Debian 7 (Wheezy) shipped it.
make a GRUB rescue image
Flags it lists
-
--diet -
--grub-mkimage -
--help -
--modules -
--output -
--rom-directory -
--version -
--xorriso -
-h -
-o -
-v