Issuing editor commands

You can use editor commands to customize your editing environment, search for or change text in your document, or perform many other functions.

To issue an editor command:

Press Esc to go to the editor command line below the editing area.
Type your editor command on the command line, then press Enter to perform the command. For example, entering the command:
```
add 1
```
will add a new line into the file.

To recall a previously-used command:

While in the command line, press Up or Down. Previously used commands will appear in the message window.
Select the command you want to reuse, then press Enter.