Good Unix pranks for kids?

[David Cantrell]

On Tue, Sep 28, 2010 at 08:12:38PM +0200, Stefan Scheytt wrote:

> Do you guys know any other fun pranks to play on an unwitting X user from
> a privileged command line?

# DISPLAY=:0 xeyes -title "Big Brother is watching" -geometry 500x500

-- 
David Cantrell | A machine for turning tea into grumpiness

    Vegetarian: n: a person who, due to malnutrition caused by
      poor lifestyle choices, is eight times more likely to
      catch TB than a normal person