grub-install - install GRUB on your drive
grub-install [OPTION] install_device
Install GRUB on
print this message and exit
print the version information and exit
install GRUB images under the directory DIR instead of the root directory
use FILE as the grub shell
do not probe any floppy drive
force GRUB to use LBA mode even for a buggy BIOS
probe a device map even if it already exists
INSTALL_DEVICE can be a GRUB device name or a system device filename.
grub-install copies GRUB images into the DIR/boot directory specfied by --root-directory, and uses the grub shell to install grub into the boot sector.
Report bugs to <bug-grub [AT] gnu.org>.
The full documentation for grub-install is maintained as a Texinfo manual. If the info and grub-install programs are properly installed at your site, the command
should give you access to the complete manual. You may need to install the grub-legacy-doc package.