Will Linux be computer games´ dark horse OS?

Although Linux-based PC games have enjoyed only modest sales, one console giant is betting heavily on the open source OS. Although Linux is not ready to be a consumer-level OS, it remains a threat to Microsoft because of its flexibility. The support that companies like IBM, HP, and Red Hat throw at it doesn´t hurt either. All three now use Linux in vertical markets and for back-end systems such as databases and Web servers. For example, IBM recently released Websphere for Linux, which facilitates Web and e-commerce services