rename command

    (A) Function
        Renaming the name of an inner 
        representation of an SFL module class. 

    (B) Format

         rename  <oldname>  <newname>

    (C) Parameter
       <oldname>
           Designate an old module class name to be renamed. 
       <newname>
           Designate a new module class name. 

    (D) Note

    (E) Related items
        sflread command
        sflload command
        install command
        lmc command