Super grub disk is used to repair grub and restore original MBR, so that the disk does not get damaged once the Linux partition is formatted. Super Grub can be downloaded for free and then burned to a CD to make a Super Grub disk live CD.The live CD can be used to repair grub by fixing the boot of GNU Linux. The Super Grub disk can be used to restore MBR back to Windows, if the user wishes to leave the GNU Linux OS and install Windows. Before formatting the Linux partition, the Super Grub disk live CD has to be used to restore the original MBR.
Super Grub Disk is used to repair Grub and the MBR and reinstall on another partition.
It can also restore the original MBR, uninstalling Grub for users wishing to leave GNU/Linux, without risk of making the computer unusable after formatting the Linux partition.