How-To

How to partition a startup drive

When you buy a new Mac laptop, iMac, or Mac mini, the internal startup hard drive is set up with one partition. You can use Disk Utility to partition the startup drive, even while the startup drive is being used to boot your Mac.

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Roman has covered technology since the early 1990s. His career started at MacUser, and he's worked for MacAddict, Mac|Life, and TechTV.