grub-install - install GRUB on your drive
grub-install [OPTION] install_device
Install GRUB on your drive.
  - -h, --help
- print this message and exit
- -v, --version
- print the version information and exit
- --root-directory=DIR
- install GRUB images under the directory DIR instead of the root
    directory
- --grub-shell=FILE
- use FILE as the grub shell
- --force-lba
- force GRUB to use LBA mode even for a buggy BIOS
- --recheck
- probe a device map even if it already exists
INSTALL_DEVICE can be a GRUB device name or a system device
    filename.
Report bugs to <bug-grub@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
  
  - info grub-install
should give you access to the complete manual.