Permissions, ACLs, SIP, TCC privacy protection, and now DataVaults – Mojave has many ways of stopping software from opening files and folders.
Setting permissions in Terminal is simple. This basic introduction explains how to understand the notation used, and save yourself time fiddling in the Finder.
When copying files across in Target mode, their permissions are left in a mess. Why?
How did some of my old disks and folders get to have ‘custom access’, and how can I fix that?
Using TinkerTool System or MacPilot to make easier use of the Shared folder using ACLs.
Disk Utility warns of SUID files and ACLs. How can I complete repairing permissions?
You can use ACLs to ensure that all files created in a shared folder inherit the permissions of their parent folder.
Despite the importance of importance in everyday life, as far as I can tell no computer operating system has the slightest sense of importance.
Is there a way to lock an individual folder, so that it can only be opened on entry of a pre-set password?