What Actually Makes Up "Linux"?

David A. Wheeler sent in linkage to his extensive analysis of the true size of Linux. There's an amazing amount of information in here, and although it focuses on Red Hat 7.1, it still has tons of interesting bits of information about the code that makes up the distribution. Break downs include languages, licenses, cost estimates, and stats that in no way clear up the legendary GNU/Linux debate that will undoubtably be engraved on tombstones somewhere.