Option-Commnad-Esc = Force quit applicaiton(s)

Command-Tab = Switch windows

Command-Q = Quit application

Command-Shift-Q = Log out

Command-S = Save

Command-W = Close windows

Command-A = Select all

Command-C = Copy

Command-X = Cut

Command-V = Paste

Command-Z = Undo

Command-P = Print

Command-M = Minimize windows

Command-F = Find

Command-I = Get Info

Command-Shift-3 = Take screen shot

Command-Shift-4 = Take screen shot of selected material

In Apple mail, when we start to email the old email address. It will pops up even though the address not in address book. Can we clean this email address from computer. The answer is yes.

Below are the step:

• in Mail go to Window menu->previous recipients. delete the unwanted emails from there and they won’t show up in the autofill anymore.