Hello+help with screen orientation?

Hello
my name is Michael and I am an idle Telecommunications Engineer and enjoy Linux. I am interested in getting
the universal working I am a beginner/intermediate user of Linux and am willing to help if possible with
this project.

I have intermediate knowledge of C

firstly does anyone know how to set the orientation of the screen to landscape via the console the GUI does
not seem to allow this option and is it possible to get touchscreen working on GPE.

Many Thanks
Michael