Joe (Joe's Own Editor) which IMO has better on screen help than pico/nano.
Although if the app is well designed, a GUI editor should be entirely keyboard controlled as well. Hit alt-f(ile) or alt-e(dit) in whatever text editor came with the install. If that works, find out how to disable the button bar to free up that screen real estate.
Although if the app is well designed, a GUI editor should be entirely keyboard controlled as well. Hit alt-f(ile) or alt-e(dit) in whatever text editor came with the install. If that works, find out how to disable the button bar to free up that screen real estate.