Linux great, people hate change.
Many really great comments here. But I think all miss the real point;corporate America is not going to move to Linus unless it is easy for end users to use and saves money. The long life of XP is due to so many being familiar with it and the cost and effort of replacing all that hardware and software and tons of inefficiency while learning. Linux is great and better than a windows server in many ways. But better is not always how things are done.
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