ctrl - option - down arrow (equivalent: page down)
To scroll up
ctrl - option - up arrow (equivalent: page up)
To go back to the selection
ctrl - enter
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Dialog boxes
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To choose your favorite font in the Typeface dialog box
option - down arrow or up arrow
To input a tab character in the Find dialog box
ctrl - tab
To input a return character in the Find dialog box
ctrl - return
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And so on
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To delete a character after caret with delete (back space) key
shift - delete
(Currently, option-delete is the equivalent)
To do Redo command
cmd - shift - z
To select keyboard layout or input method of the document script or the Roman script if three or more script systems (like Roman, Japanese and Chinese) are installed on your computer
ctrl - cmd - space
(In fact, this shortcut is reserved by Apple Computer.)
To execute a command with a function key (standard)
Undo: F1, Cut: F2, Copy: F3, Paste: F4
To execute a command with a function key (additional)