Switches control of your terminal from your current process to
    another process in your job (for example, one created with the
    SDA SPAWN command).

    Format

      ATTACH  [/PARENT] process-name

1  –  Parameter

 process-name

    Name of the process to which you want to transfer control.

2  –  Qualifier

2.1    /PARENT

    Transfers control of the terminal to the parent process of the
    current process. When you specify this qualifier, you cannot
    specify the process-name parameter.