ener.hlp (Topic list)
Important Notice
The pages on this site contain documentation for very old MS-DOS software, purely for historical purposes. If you're looking for up-to-date documentation, particularly for programming, you should not rely on the information found here, as it will be woefully out of date.
Copy (Ctrl+Ins)
■ Copies selected text from the active window to the
  Clipboard. The original block of text remains unchanged.
 
■ To select text, place the cursor where the text begins
  and press the Shift+arrow keys.
 
■ Tips:
    • Once removed, use Paste (Shift+Ins) to insert text at
      the new location.
    • To remove selected text without copying it to the
      Clipboard, choose Delete or press the Del key.