The Free Software Foundation was created and took over the distribution of tapes. RMS could now focus on his quest. NDA's became mandatory to be able to use the new material. RMS decided he couldn't stand this any longer and the idea of writing his own OS from scratch sparked in his mind. This OS would be free of charge and, more importantly, would make sure in its license that all users would all get an equal freedom to use and copy it.
Hackers love funny names.
GNU was born. Stallman then analyses the case of X Window. One of the main reasons why X is not distributed under the GPL is that it was deemed as much too restrictive, imposing any supplied software to be GPL itself. In 1985, the FSF started to ship tapes and began to receive donations. They chose MACH as a base for it, but at that time, the government was imposing export restrictions, so they had to wait, and the project grinded to a halt.