We've received notes from some readers indicating problems installing Mac OS X on drives that contain more than one partition. In these cases, some users find that formatting a drive with only a ...

The built-in tools make it easy to partition your Mac hard drive. Image: D. Griffin Jones/Cult of Mac If you want to install a beta version of macOS, either for software development or for simply ...

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, ...