For those of you who are interested in the Linux Operating system, here are a couple of articles I wrote nine or ten years ago, which show just how far things have developed:
http://www.creativemac.com/article/Outside-The-Box:-A-very-short-guide-to-multimedia-for-Linux-32681
http://www.digitalproducer.com/article/Multimedia-For-Linux-45587
http://www.itbusinessnet.com/articles/viewarticle.jsp?id=32719
http://www.broadcastnewsroom.com/article/MainConcept-MainActor-v5.5.7-For-Linux-32719
http://www.corporatemedianews.com/2002/03_mar/tutorials/1makeacd_conklin.htm