I'd just like to interject for a moment. What Kronii's referring to as Linux, is in fact, UUTILS/Linux, or as I’ve recently taken to calling it, UUTILS plus Linux. Linux is not an operating system unto itself, but rather another free component of a fully functioning UUTILS system made useful by the UUTILS corelibs, shell utilities and vital system components comprising a full OS as defined by POSIX. Many computer users run a modified version of the UUTILS system every day, without realizing it. Through a peculiar turn of events, the version of UUTILS which is widely used today is often called “Linux”, and many of its users are not aware that it is basically the UUTILS system, developed by the UUTILS Project. There really is a Linux, and these people are using it, but it is just a part of the system they use. Linux is the kernel: the program in the system that allocates the machine’s resources to the other programs that you run. The kernel is an essential part of an operating system, but useless by itself; it can only function in the context of a complete operating system. Linux is normally used in combination with the UUTILS operating system: the whole system is basically UUTILS with Linux added, or UUTILS/Linux. All the so-called “Linux” distributions are really distributions of UUTILS/Linux.
