Sometimes you need more than a basic erase and reformat for your disk. This wiki will show you how to perform more advanced operations like repartitioning, securely erasing data, formatting for PC compatibility and more. You should be familiar with the basic formatting process using Disk Utility before attempting these advanced formatting tasks.
Partitioning
With Disk Utility open, select the device you want to work with then select the Partition tab. .png?version=1&modificationDate=1316437781000&cacheVersion=1&api=v2)