Most of that 15 million lines will be dead code for your computer. There&#x27;s architecture-specific code that won&#x27;t even get compiled under any circumstances. But most of the 15 million lines is drivers, of which the fewest will run on your computer because you don&#x27;t have those drivers.<p>You can&#x27;t just take the lines of code as a comparison. You have to look how much code is actually exposed to potential attackers.