I work in education, and there are many times that I will have a student using a computer for testing and they are to be doing nothing else but testing. I have set up a user for the testing program, called Tesa, and under that user Tesa is the only program available to use. Unfortunately the program responds to expose buttons being pressed, so students will be distracted by pressing the expose buttons, and fooling around in the finder. Is there any way to disable expose for a user?