Although nobody has been able to smuggle out a single screenshot of the top-secret IBM Linux desktop operating system (OS) — often referred to as "Blue Linux" — I have friends who have seen it. I am assured that it not only exists, but is being used by large numbers of IBMers. "They are going through a process of eating their own dog food right now," I was told. The bad news is that the company may sit on the OS for up to two years before actually releasing it. I saw a gossip item about this, and an IBM insider confirmed the self-imposed delay to me. Can IBM be pushed onto a faster track with this product? Someone had better do that. Read more: ABC News.