A complete guide to the structure and layout of APFS startup disks from High Sierra to Big Sur (Intel), together with tear-out PDF charts.
APFS
If something goes wrong with Catalina’s boot Volume Group, it seems there’s no way to repair it, or change the Data volume. Or is there?
How to hide text so that it can’t be searched or analysed, and how file naming almost brought APFS down.
Universal App which gives deep insight into Unicode normalisation problems, string comparison, and more.
Performs special analysis of Big Sur backups to APFS, and runs native on Intel and Apple Silicon Macs.
If your Mac still starts up in 10.13, now’s the time to start planning your upgrade when Apple’s support for it discontinues. Pros and cons.
Time Machine has been using snapshots since High Sierra. How can it then use them to make backups to APFS volumes in Big Sur?
Trying to discover the effective size of a snapshot proves baffling, particularly when the Finder claims it’s almost astronomical.
APFS adds 6 volume roles, including one which supports Time Machine backups. And per-file encryption is coming.
From SIP to a protected read-only System volume, macOS 11 takes system protection a big step further with cryptographic verification.
The Eclectic Light Company 