Undo

Ctrl+Z

Alt+Backspace

Undo the last single keystroke or editing operation.

Redo

Ctrl+Y

Re-do the last single keystroke or editing operation.

Cut

Ctrl+X

Shift+Delete

Cut selected text or figures to the clipboard.

Copy

Ctrl+C

Ctrl+Insert

Copy selected text or figures to the clipboard.

Paste

Ctrl+V

Shift+Insert

Paste previously cut or copied text or figures from the clipboard.