SCO: Fish or Cut Bait: "Three years later, in 2002, SCO developer Michael Davidson reviewed the 1999 study's results. His conclusions? 'There is, indeed, a lot of code that is common between Unix and Linux (all of the X Windows system, for example) but invariably it turned out that the common code was something that both we (SCO) and the Linux community had obtained (legitimately) from some third party.'"