From SIP to a protected read-only System volume, macOS 11 takes system protection a big step further with cryptographic verification.
APFS
Important update for all users, which addresses several bugs in setting the maximum size of sparse bundles.
How to set the total size, and band size, for your sparse bundles, with calculation of the critical band size.
By now, the current release of macOS has had all major bugs fixed or worked around. Isn’t this a good time to upgrade? Some practical advice on deciding and upgrading tips.
This can now be incorporated into your own scripts, to check the integrity of important files automatically.
Time Machine can’t make backups to a disk formatted in APFS. Oh yes it can – and here’s how you can do it too.
They’re Base-64 encoded data which is related to the Finder Alias. Here’s how to resolve them in an app, at the command line, and in code.
Is it better to make sparse bundles ‘snug’, sizing them so that they don’t have as much free space? What if you then need to resize them?
They readily grow in size up to their maximum. But getting them to shrink when contents are reduced isn’t as easy.
Can you use error-correcting code to repair very large files, for example of around 20 GB or more?
The Eclectic Light Company 