Text mode rendering
Text User Interface (TUI) allows you to run an application in text mode, that is, on a terminal instead of using a display client.
To use TUI, select Text Mode radio button.
and select theWhen the display is set to text mode, the FGLGUI environment variable is set to 0, indicating to the DVM that no display client should be used and the application should run in a terminal.
Form files must be text-based .per files with a SCREEN section instead of a LAYOUT section. For details about creating a .per form file that supports TUI applications, see the Genero Business Development Language User Guide.