Most Linux users out there, think that their whole system is named just “Linux” (or perhaps the distribution name). For a large number of reasons, which I do not intend to analyze in this post, this is not, and should not be the case. The actual name is GNU/Linux since only the Linux Kernel is “Linux” and the rest of the system (including some vital parts such as glibc or GCC) are parts of the GNU Operating System.