If partitioning a drive with Disk Utility gives you unmount or resource busy errors, there may be workarounds you can use. Topher, an avid Mac user for the past 15 years, has been a contributing ...

I want to partition the card so I can use it for an OS install disk (Mac OS Extended GUID) in one partition and as a camera disk (MS-DOS FAT) in the other partition. Disk utility can do the partition, ...

Image: D. Griffin Jones/Cult of Mac A good way to separate your data is to partition your Mac hard drive. A partition splits your storage into two spaces, like putting a trunk divider in your car. The ...