> I think that that's the answer, put the whole OS and db on a > bootable cd or DVD. In 20 years they'll surely be no > problem running the whole thing from RAM so media access > speed should not be an issue. You are correct. I thought that CD only had a shelf life of 5 to 10 years. This is true for new unrecorded discs. But once they are recorded they are expected to last 70 to 200 years. http://www.osta.org/technology/cdqa13.htm Regards, Richard Broersma Jr.