Today is not only my sister Silvia’s birthday. It’s also Linux which was announced on a mailing list 25 years ago. And so, the “article of the day” on the German Wikipedia start page is about Linux:

Screenshot-Wikipedia – Die freie Enzyklopädie - Mozilla Firefox: IBM Edition

Screenshot-Linux – Wikipedia - Mozilla Firefox: IBM Edition

Working with and using it each day – so thanks, Linus (and Richard and all the others). And congrats again to my sister.

P.S.: Two links in German which show the importance of Linux today:
25 Jahre Linux: Das Jedermann-Betriebssystem and
25 Jahre Linux: vom Nerd-Spielzeug zum Allround-Betriebssystem