GRUB boot floppy inserted and machine is rebooted. The boot floppy is
used to install GRUB onto the MBR of the disk, and point GRUB in the
MBR to the rest of the GRUB support files including the menu.lst
file in /boot/grub of the /boot Linux partition.
grub> root (hd0,1)
grub> install /grub/stage1 d (hd0) /grub/stage2 p /grub/menu.lst