linux man page for grub

GRUB(8)                                                                 FSF                                                                GRUB(8)

NAME
       grub - the grub shell

SYNOPSIS
       grub [OPTION]...

DESCRIPTION
       Enter the GRand Unified Bootloader command shell.

       --batch
              turn on batch mode for non-interactive use

       --boot-drive=DRIVE
              specify stage2 boot_drive [default=0x0]

       --config-file=FILE
              specify stage2 config_file [default=/boot/grub/menu.lst]

       --device-map=FILE
              use the device map file FILE

       --help display this message and exit

       --hold wait until a debugger will attach

       --install-partition=PAR
              specify stage2 install_partition [default=0x20000]

       --no-config-file
              do not use the config file

       --no-curses
              do not use curses

       --no-floppy
              do not probe any floppy drive

       --no-pager
              do not use internal pager

       --preset-menu
              use the preset menu

       --probe-second-floppy
              probe the second floppy drive

       --read-only
              do not write anything to devices

       --verbose
              print verbose messages

       --version
              print version information and exit

REPORTING BUGS
       Report bugs to <bug-grub@gnu.org>.

SEE ALSO
       update-grub(8), grub-install(8).

       The  full documentation for grub is maintained as a Texinfo manual in the grub-legacy-doc package.  If the info and grub programs are prop-
       erly installed at your site, the command

              info grub

       should give you access to the complete manual.

grub (GNU GRUB 0.97)                                               January 2013                                                            GRUB(8)