Contains the legacy file type and creator information dating back to Classic Mac OS, plus 24 bytes of undocumented flags. Very common.
Running High Sierra? Do you keep your Photos Library on an external drive? Do you realise that backing it up using Time Machine is likely to be a waste of time?
There’s something wrong with that file, which seems to keep crashing an app. When you can’t put your finger on what’s wrong, it’s likely to be a xattr problem.
Xattr flag to prevent the file or folder (and its contents) from being backed up by Time Machine. Used in Photos Libraries and elsewhere.
Extension functions for the URL class which provide full access to xattrs without leaving the comfort of Swift 4.
A traditional ‘resource fork’ containing resource structures, lumped into a binary xattr. Still commonly used for image previews, and found in many older files.
Standard layout and content template for xattr type pages here.
General account of xattrs, their storage, types, tools for working with them, and common problems.
Marks a folder or file as being protected by SIP. Widespread among kernel extensions, and Apple’s bundled apps.
This UTF-8 string contains the Gatekeeper score, the system time of download, downloading agent, and the event UUID. Can force a full Gatekeeper check.