Supporting 16 different types of metadata, from Authors to Version, you don’t need to know how they are stored, etc.
xattr
Documentation of extended attributes (xattrs) in macOS.
Five different classes of metadata, from file system attributes to embedded Info.plist files, explained and explored.
More about checking the integrity of files on macOS, with a new version of a free utility, news of the next apps, and error-correcting code perhaps?
To check the integrity of important documents, we’re going to calculate their SHA256 digests. But where should those be stored if HFS+ and APFS don’t have a suitable attribute?
Major improvements for all users, including more flexible main window, multiple selection, and support for macOS xattr flags for preservation.
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?
If you opt for ‘Mac-only’ format, isn’t that sufficient to preserve everything you need in an archive?
Some files rely on these to work properly. What happens when you share such a file using your iCloud account? The answer isn’t simple, but here are full details.
The behaviour of quarantine flags, SIP flags, and the mysterious new com.apple.macl attribute, which never ceases to puzzle.
