What do you know about the hidden and unmounted EFI partition on all the disks you use with your Mac? It could be very important.
diskutil
Without addressing shortcomings in tools and maturity of macOS, 10.16 has flawed foundations, and is likely to fall flat.
In the last few days, Apple has again changed its recommended procedure for resetting or repairing permissions on […]
Apple has changed its instructions for resetting/repairing permissions on your Home folder, and important cure for many problems.
The Finder, Disk Utility and Terminal show disks and volumes differently, according to their function. This can appear confusing in Catalina until it has been explained.
With only sketchy documentation and no open source release, how complete are the tools to support APFS? Are they still “work in progress”?
It may be over 2 years old, but its supporting tools are more like those of a beta. Adding containers isn’t at all straightforward.
What’s the minimum size of a container, or a volume, in APFS? The answer can range from 1.05 MB up to 167.8 MB, it appears.
Why measuring free and used disk space is not so simple in APFS, and which estimates you should trust.
Disk Utility claims to perform secure erase on SSDs, but does no such thing. Here are workarounds to do what it doesn’t, and details of a bug preventing encryption of APFS volumes.
The Eclectic Light Company 