It's quite difficult to retroactively unpick cause and effect though it could certainly be argued that the existence of Linux (and free UNIX in general) contrib

It's quite difficult to retroactively unpick cause and effect though it could certainly be argued that the existence of Linux (and free UNIX in general) contributed greatly to the rise of the web. I would still wager that more paid developer hours go towards stuff that ends up being executed on top of Linux than iOS though.