Earlier this year, we talked about limiting your child's access to iOS devices using Restrictions (Parental Controls). Did you know a similar set of controls exist on OS X, too? Available since OS X 10.4 Tiger, Parental Controls now allow you to limit the time your children have access to your Mac, control which websites they can view and what apps they can open. There's even an alternative, scaled-down Finder that hides most of the files on the computer.
We looked at Parental Controls back in Leopard and they have changed only slightly since then. Just like earlier versions of OS X, Parental Controls in OS X Mountain