Screenshots in Mac OS 7, 8, 9
Command-Shift-3
Entire screen to picture file[*]
Ctrl-Command-Shift-3
Entire screen to clipboard
Command-Shift-4
Dragged rectangle to picture file[*]
Ctrl-Command-Shift-4
Dragged rectangle to clipboard
Command-Shift-Caps Lock-4
Clicked window to picture file[*]
[*] A picture file is a PICT format file created in the hard disk
root directory with name "Picture 1", "Picture 2", ....