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echo - turning echoing back of commands on and off
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.. cmd:def:: echo
   :title: turning echoing back of commands on and off

   .. only:: html



      .. code:: yoscrypt

         echo on

      ::

         Print all commands to log before executing them.


      .. code:: yoscrypt

         echo off

      ::

         Do not print all commands to log before executing them. (default)

.. only:: latex

   ::

      
          echo on
      
      Print all commands to log before executing them.
      
      
          echo off
      
      Do not print all commands to log before executing them. (default)