/WAIT (default)
       /NOWAIT

    By default, your current (parent) process will wait until the
    subprocess has finished its processing and terminated. This
    default behavior is explicitly selected with the /WAIT qualifier.
    The /NOWAIT qualifier allows you to continue working from your
    current process while the subprocess is running. When you specify
    /NOWAIT, you should also specify the /OUTPUT qualifier so as to
    prevent the subprocess output from appearing on your terminal
    screen.