Allows you to switch control of your terminal to another process.

                                   NOTE

       This function is not available in DECwindows; any attempt to
       invoke it incurs an error.

    Format

      ATTACH   [subprocess-name]

1  –  Parameter

 subprocess-name
    Specifies the name of the process to which you want to connect. If
    you do not specify a process name, LSE connects you to the parent
    process.