Using the Menu Bar
  Use the Menu Bar to exit DSMDECdns, change the display
  format of the namespace display, customize your view of the
  namespace, and obtain online information.
              Double-click to display the Menu Bar.
  Double-click on the item you want more information about.
              File   View      Customize      Help
  Click on the Close button at the bottom of your HyperHelp
  screen when done.