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Parental controls will do some of what you want. For more sophisticated choices, try Googling "parental controls for Mac" and there are literally over a million references.

A great deal of effort has been put in by people at cisecurity.org in creating tools to do just what you are looking for. There is a spreadsheet of security guidelines, as well as the Unix bash...

All current iMac models respond to the "c" key to request booting from the optical drive (make sure it is ONLY the "c" key, no shift, option, or command, or anything else). Automatically ejecting...