How Red Hat Lost Friends And Gained New Enemies

Red Hat, once the little company that could, for years could do no wrong. It rode the rising popularity of Linux to become a $280 million-a-year company with a market cap as high as $6 billion, claiming 80% of the market for Linux-based enterprise servers. Other Linux-friendly vendors loved Red Hat, since it gave them and their customers a viable alternative to Windows. Even Microsoft, while openly anti-Linux, didn't treat Red Hat as too much of a threat.

http://www.informationweek.com/industries/showArticle.jhtml?articleID=193700708