Notes for Slide 07
If you make a mistake, CTRL-Z will undo your most
recent edit. If you do not like the results of undoing
with CTRL-Z, you can often press CTRL-Z again to get
right back where you started (because you are undoing
your most recent edit which was itself an undo).
1, 2, 3, 4, 5, 6, [7 (top)], 8, 9, 10, [Lab]