All about xattrs: their origin, where they’re stored, how they’re named and typed, how to find and work with them, and their common problems.
metadata
Tools for editing metadata which is generally well-preserved, including copyright and keywords. Now native on all Macs.
Lightweight metadata editor now runs native on Intel and Apple Silicon Macs.
Supporting 16 different types of metadata, from Authors to Version, you don’t need to know how they are stored, etc.
Five different classes of metadata, from file system attributes to embedded Info.plist files, explained and explored.
If grouping apps by Application Categories won’t help you find them, here’s a method using metadata which you can customise.
How your Mac’s security and privacy systems can cause duplicate copies of files to be written to your backups.
Do changing permissions or an extended attribute also alter a file’s modification date?
Three Finder bugs in 10.15.3, from the plain silly to infuriating. Every Mac still has a hard disk, Preview Options that don’t work, and a very old fiend.
Xattrs are marvellous features of macOS, but unless a developer is aware of their lability and how to preserve them, they aren’t good places to store metadata of any importance.
