grub-mkdevicemap − make a device map file automatically
device map file automatically.
do not probe any floppy drive
−s, −−probe−second−floppy probe the second floppy drive
use FILE as the device map [default=/boot/grub/device.map]
display this message and exit
print version information and exit
print verbose messages
Report bugs to <bug−firstname.lastname@example.org>.
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
should give you access to the complete manual.