|tofcline{2}{Introduction}{2}
|tofcline{2}{1.\ Your Computer Terminal }{3}
|tofcline{3}{1.1\ The DataDisc Keyboard}{3}
|tofcline{3}{1.2\ Other Keyboards}{4}
|tofcline{2}{2.\ Log-In and Log-Out }{5}
|tofcline{3}{2.1\ Log-In}{5}