... innovations in the latest versions of the kernel mean that it finds uses on the smallest computers in the world, as well as on the biggest. Several of the top supercomputers in the world run Linux and, ... version. The GPL turns this on its head. Rather than restricting what people can do with the soft-ware, it gives them permission to share the software with whomever they wish. However, if they modify ... wish. However, if they modify the program in any way, and then distribute it to others, the program they come up with must also be licensed under the GPL. In other words, people cannot make...