Tips for Copy and Paste

Try the following tips inside Notepad or other text editor with a single-level undo feature. Copy text selection 1 (press Ctrl+C) and paste it over selection 2 (press Ctrl+V). Undo that operation (press Ctrl+Z), and while that text is still selected, copy it to the clipboard (press Ctrl+C). Now, undo that operation again (press Ctrl+Z) and you have the changed the text (from 2 to 1) as well as copied the old text (2) to the clipboard.