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 ...

Every new release of macOS comes with its share of undetected bugs, but most early adopters will tell you that Catalina has had more than most. One way of avoiding a disastrous upgrade to Apple's ...

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 ...

Mac OS X Lion recovery partition. Apple’s new Mac OS X Lion adds support for a recovery partition as part of the OS installation and while this may not seem important to most users — it is. Apple is ...

The Basilisk II emulator can be used to run old versions of Mac OS 8 and System 7 on a modern Mac. Here's how to get started using it. Before macOS and OS X, there was Mac OS 9, and before that were ...