A computer's file permission settings determine who is able to access its files and who can make changes to them. The owner or administrator of a Mac computer can specify the permissions for any file, ...

The Get Info window’s Locked option prevents changes on a single Mac, and modifies the item’s Finder icon. Macworld reader Jeff noted that when he uses the Locked option, files stored in iCloud Drive ...

IT admins can save time and energy when changing Mac permissions by doing it via the command line or remotely via SSH. Learn how it’s done and what the notation means for command-line permissions.