Sometimes used by creators to give a description of the file in plain text.
macOS
Gives the normal Finder name of the app which created or edited a file. Doesn’t give its path or signature, though.
Contains a binary date-timestamp for a downloaded file. Valuable for establishing the origins of files.
Now provides complete details of security updates, and simple tools to check for and install any pending updates.
Records the original URL from which a file was downloaded. Valuable for establishing the origins of files.
Contains arbitrary copyright information which remains ‘sticky’ and is not stripped when most metadata are removed from files.
Used to override the global mapping for any given file type, this reflects the Finder’s individual setting for a document.
Contains the legacy file type and creator information dating back to Classic Mac OS, plus 24 bytes of undocumented flags. Very common.
Now offers three different ways of checking for updates, which should be compatible with El Capitan, Sierra, and High Sierra.
Two significant fixes for El Capitan, and one for all users, should bring this beta release closer to the final.
The Eclectic Light Company 