A retrospective on Mac OS from I to X showcases Apple's evolution in operating systems over the years.

The original Mac OS evolved a lot across those 18 years. And perhaps its single most important update, System 7, arrived 35 ...

I'm a bit confuzeled as to the specifics of the Mac OS ROM file in OS 9. It is my understanding that prior to 9 (or maybe earlier) the ROM on the chip was no longer used by the OS, but rather it uses ...

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 ...

Whether you're a Windows convert new to macOS or are curious about life on the “other side,” here are the key file system differences between the PC and the Mac that you need to know to seamlessly ...

How much space do duplicate files take up on your iPad? In theory, they use no extra storage. Thanks to the design of the Apple File System (APFS) used on iOS and macOS, duplicating a file doesn’t ...

We recommend the following procedure when installing Mac OS X 10.4.7. First, avoid performing any other operations (in Mac OS X or third-party applications) while the update process is occurring. In ...

Many functions in Mac OS X are only exposed to the user via System Preferences, so as you might guess, a lot of new things in Leopard show up there. Among them are a few of the "secret new features" ...