move command

    (A) Function
        Outputting/changing the current position. 

    (B) Format

        move  [ <position> ]

    (C) Parameter
       <position>
          Designate a destination of a current position.
          A destination is an arbitrary facility. 
          If <position> is not specified, this command 
          returns the current "current position." 

    (D) Note
         The first install command sets a current position 
         to the root ('/') of a simulation image. 

    (E) Related items
        marker command