That is handy. Love Linux, hate permissions.
permissions I can deal with, selinux drives me insane.
Amen to that. I expect Apple to treat their users as if they are Luddites with an instinct for self-harm, but Linux is open source and tinkerable, and the assumption should be that people will tinker with it. Obliging them to type 'Simon says' before any change can be effected is irritating beardy paranoioa.
The general idea is Simon, and only Simon, says...