- Reformatting old Windows hard drives: The tools you need are fdisk and mkfs.ext3. You may also want to use mkswap and swapon to add a swap partition. To make mount points permanent, you need to edit /etc/fstab. Ref Ref Ref When you add swap partitions to /etc/fstab, remember that without a “pri=<number>” option, swap partitions listed first will have higher priority than those listed last. That means that they will be used until full before the system tries other swap partitions. Giving two swap partitions the same priority means that the system will use them both simultaneously in a “round-robin” approach. Looking at the file /proc/swaps will show you such information about your current swap files.
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