===== ECHO =====

With the "ECHO" command, you can turn on and off the commands echo.\\
Called without parameters, this command return the current status of echo setting.

==== Synopsis ====

<code>ECHO [<ON/OFF>]
</code>
 
==== Return ====

Without parameter:

  ECHO
  ON
  OK

Or:

  ECHO
  OFF
  OK
  
Or with parameter:

  ECHO ON
  OK