Edit menu
Undo (Ctrl+Z):Undo the last operation. It is possible to undo the last 16 actions.
Cut (Ctrl+X):Cut a selection to the clipboard.
Copy (Ctrl+C):Copy a selection to the clipboard.
Paste (Ctrl+V):Paste a selection from the clipboard.
Clear (Del):Delete selected items.
Select all (Ctrl+A): Select all items in the current window.
Rotate menu: These menu items rotate a selection by 90 or 180 degrees.
Flip menu: These menu items flip a selection across a horizontal or vertical line.