According to a famous Latin proverb, "He who is everywhere is nowhere." In computing, that's not exactly true.
Linux is becoming much more pervasive: it's powering far more laptops and desktops than ever before, delivering music and movies to the living room on digital media adapters, and becoming ubiquitous as a development platform at high-end video effects studios such as Industrial Light & Magic, which used to rely on Windows and Mac.
http://www.linuxlinks.com/portal/news/article.php?story=20080626140207145