1.$ CONFIGURE GALAXY Displays the GCU's graphical user interface. If the system is currently configured as an OpenVMS Galaxy, the active system configuration is displayed. 2.$ CONFIGURE GALAXY model.GCM Displays the GCU's graphical user interface. The specified OpenVMS Galaxy Configuration Model is loaded and displayed, but does not become the active configuration until the user chooses to engage it. 3.$ CONFIGURE GALAXY/ENGAGE model.GCM Invokes the GCU command line interface to engage the specified OpenVMS Galaxy Configuration Model without displaying the GCU's graphical user interface. 4.$ CONFIGURE GALAXY/ENGAGE/VIEW model.GCM Invokes the GCU command line interface to engage the specified OpenVMS Galaxy Configuration Model and display the GCU's graphical user interface.