How APFS is the first Mac native file system to have true inodes and inode numbers. What they are, and how you can use them in volume groups and different types of file link.
hard link
Three different ways to link to files, and two for folders. Which should you use, and how well do they cope with changes in that volume?
Distinguishing conventional copies, clone files, symlinks, hard links and Finder aliases can be confusing. Here’s how to tell them apart with using Terminal.
Symlinks are popular but prove fragile when folders get renamed or moved. Hard links don’t support directories and can’t cross volumes. The alias works best overall, but isn’t supported in Terminal.
Classic TM backed up HFS+ to HFS+; current TM backs up APFS to APFS. But what if you want to back up a mixture of APFS and HFS+ volumes?
Understanding how APFS works: inodes, attributes, file extents, extended attributes, and how they change with editing and cloning.
Similarities and differences, how to make each in the Finder and Terminal, how much space they use, and how they work in APFS.
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