The unix-system command executes a new shell.  Your screen will be
cleared and the "UNIX:" prompt  will be displayed.

Use one of the methods below to invoke unix-system:

     Command Menu:  Select unix-system and press ENTER.

     Command Line:  Type unix-system and press ENTER.

To return to FACE from the shell, hold down the control key (CTRL) and
press d, or type "exit" and press ENTER.