vtp5 — Video test pattern
Video test pattern, filling the whole of the screen with the following pattern. Left hand side is a vertical blue bar, 8 pixels wide, with red single line at the top. The right hand side is green. The right hand side is a vertical green bar, 8 pixels wide, with a blue cap on the top line. The rest of the screen is an alternating 8x8 white and black block pattern
This command will not be available if the frame buffer is disabled.