There are only two items in the Edit menu:
Copy is used to copy highlighted TEXT from the screen to your clipboard.
Follow these steps:
Edit
→Copy
menu item to copy the selected text to the clipboard.
Pasted is used to type into PLATO -arrow-s the text in the clipboard. Follow these steps:
Edit
→Paste
To enter multiple lines of text you need to be at a location where after an end-of-line is found in your clipboard text PLATO automatically brings up another -arrow-. Two such places are Insert mode in the Notes text editor or PLATO file editor.