Apple has started recommending users to repair permissions – not generally, but in the Home folder. Here’s my experience, and a tool to make this easier.
We stopped repairing permissions, because of SIP. Now Apple recommends it for a wide range of problems – only this repairs them on your Home folder.
It’s tempting just to put the folder in the Trash. But this could be a quick way to acquire a more complex problem.
To OS X’s Unix heart, you are not a name but a user ID. The first admin user account is 501, and something rather special.
SIP protects your Mac from rogue KEXTs too, and prevents tools from attaching to protected processes.
So which files and folders does SIP protect, and how can you work around it?
How to inspect and change them, in the Finder and the command line.
When I try to move files onto my hard drive, I have to authenticate. How can I fix this?
When an app ran fine, but crashes in El Capitan, it may be SIP’s fault. Here is how to check, and more about SIP.
When copying files across in Target mode, their permissions are left in a mess. Why?