f the idea of using Linux in your business is one that makes you nervous, chances are you've fallen prey to one or more of the many myths out there that are frequently disseminated by competing vendors such as Microsoft. After all, each Linux user means one less sale for such companies, so they have a powerful motivation to spread such FUD

http://www.pcworld.com/businesscenter/article/205147/fact_or_fiction_top_8_linux_myths_debunked.html