On 3/6/2009, "markus schnalke" <mei...@marmaro.de> wrote: >I modified `slock' some time ago to display a fullscreen red window >that closes on any button press. I use it to notify about low battery.
That reminds me, I used to use xrefresh for something similar.
xrefresh -solid red
If you have a fancypants graphics card it might not last long enough to
notice.
