My old mother (born 1936) is using ubuntu since 2013. She can read her mail, answer or forward, view powertpoint, video and pictures, web surf, print stuf, writ

My old mother (born 1936) is using ubuntu since 2013. She can read her mail, answer or forward, view powertpoint, video and pictures, web surf, print stuf, write letters (its her most complex task). I use ssh and x11vnc for remote administration. It is the most simple setup I can imagine.