Paint Pixels to Screen via Linux FrameBuffer

Question

I was recently struck by a curious idea to take input from /dev/urandom, convert relevant characters to random integers, and use those integers as the rgb/x-y values for pix

Answer 1

I'd say be careful before trying writing to /dev/fb0, as suggested above. I tried it under X in ubuntu 10.04 and a) nothing happened visually, b) it wrecked all shell windows, even other ttys, leading to kernel errors and lack of functionality.