# phpman > man > grub-mkdevicemap(8)

[GRUB-MKDEVICEMAP(8)](https://www.chedong.com/phpMan.php/man/GRUB-MKDEVICEMAP/8/markdown)                System Administration Utilities               [GRUB-MKDEVICEMAP(8)](https://www.chedong.com/phpMan.php/man/GRUB-MKDEVICEMAP/8/markdown)



## NAME
       grub-mkdevicemap - make a device map file automatically

## SYNOPSIS
       **grub-mkdevicemap** [_OPTION_]...

## DESCRIPTION
       Generate a device map file automatically.

### -n --no-floppy
              do not probe any floppy drive

### -s --probe-second-floppy

### -m --device-map
              use FILE as the device map [default=/boot/grub/device.map]

### -h --help
              display this message and exit

### -V --version
              print version information and exit

### -v --verbose
              print verbose messages

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

## SEE ALSO
       [**grub-probe**(8)](https://www.chedong.com/phpMan.php/man/grub-probe/8/markdown)

       The  full  documentation for **grub-mkdevicemap** is maintained as a Texinfo manual.  If the **info**
       and **grub-mkdevicemap** programs are properly installed at your site, the command

              **info** **grub-mkdevicemap**

       should give you access to the complete manual.



GRUB 2.06-2ubuntu7.2                        December 2022                        [GRUB-MKDEVICEMAP(8)](https://www.chedong.com/phpMan.php/man/GRUB-MKDEVICEMAP/8/markdown)