A partition is a division of your hard drive. What it does is it takes one part of your hard drive and turns it into another virtual hard drive of its own. Say you have a 120 GB hard drive. You could partition it into a 40 GB drive and a separate 80 GB drive.
To partition a drive, open Disk Utility and highlight the disk you wish to partition. Then click the partition tab and click the “+” at the bottom left corner of the box (not window). Then drag the bar in between the blue section (used space) and white section (free space) to the desired size and click Apply and voíla, you have a partition
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Michael Zhao
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