On Fri, 3 Jun 2011 08:44:33 +0200 sacarde <sacarde at tiscali.it> wrote: > Alle giovedì 2 giugno 2011, hai scritto: > > That is not a command - it is a puzzle for you to solve using the > > knowledge that you have gained from the tutorial. > > and what is the solution? > > > thanks Have a look here: http://en.wikipedia.org/wiki/File:MagrittePipe.jpg :-) Peter