Top 10 Ubuntu apps, #4: The gParted disk partition utility reformats hard drives into practically any format including: FAT16, FAT32, NTFS, and HFS+. Additionally, gParted can resize existing partitions without corrupting the data. Fear not Windows and Mac users, gParted comes as a live CD so you can leverage it for all your partitioning needs.
Ubuntu users can install gParted with the following command:
sudo apt-get install gparted