grub-mkimage(1) on Linux
The text 7b0232da15f4, as Debian 7 (Wheezy) shipped it.
make a bootable image of GRUB
Flags it lists
-
--compression -
--config -
--directory -
--format -
--help -
--memdisk -
--note -
--output -
--prefix -
--verbose -
--version -
-C -
-O -
-V -
-c -
-d -
-h -
-m -
-n -
-o -
-p -
-v