1. # GRUB mini HowTo, boot loader which is even more powerfull than lilo
  2. # enumerate all the partitions which are currently known to /proc/partitions: 
     fdisk -l
  3. # add ext3 journalling information to some ext2 partition: 
     tune2fs -j /dev/hda2
  4. # remove ext3 journalling information from an ext3 partition other than the root partition (have a look at http://www.troubleshooters.com/linux/ext2toext3.htm if you wish to remove ext3 journalling data from the root device): 
     tune2fs -O ^has_journal /dev/hda2;e2fsck /dev/hda2
  5. # creating a large vfat partition on your unix box: 
     mkfs.vfat -F 32 /dev/hda8
  6. # undelete a file on a vfat partition: 
     dosfsck -r -u path/file /dev/hdaXX