All of this is possible because of the Mac's foreign file system plugins. Each plugin sits between the native macOS file I/O programming interfaces (APIs), and the actual low-level device I/O code.

Apple File System, or APFS, is a next-generation file system for Apple products based upon the iOS, macOS, tvOS, and watchOS software platforms, ranging from the Apple Watch to a Mac Pro.

The macOS file system stores files within folders, also known as directories. The top, uppermost folder is known as the root directory. Folders located within or beneath the root directory are ...

This morning at WWDC, Apple announced that APFS will be the default file system in macOS High Sierra. That's great news -- and here's why. Those features get APFS up to feature parity with just ...

When macOS High Sierra is released to the public next week, the new Apple File System (APFS) feature will be limited to Macs with all-flash built-in storage, which means it won't work with iMacs ...

There are a bunch of under-the-hood improvements in macOS Sierra as well. Most notably, Apple is now using its own Apple File System, a move that should do a lot to speed things up in the file system.