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
 
Report bugs to <bug-grub@gnu.org>.
The full documentation for grub is maintained as a Texinfo manual. If the
  info and grub programs are properly installed at your site, the
  command
  
  - info grub
 
should give you access to the complete manual.