Restrict what someone can do - and when IN MAC.

The Parental Controls in OS X are simple, but there are plenty of options in there - some of which are useful for other things than preventing underage access.


You can limit computer use to a certain length of time every day, set a 'bedtime' after which users won't be able to use the computer, limit the functions of the Finder, limit what apps that user can use and more.

You could, for example, disallow a nervous computer user from modifying the Dock or changing their password.