Meet the Journal

Another major improvement of the GNU/Linux userland ecosystem directed by Lennart Poettering.

http://docs.google.com/document/pub?id=1IC9yOXj7j6cdLLxWEBAGRL6wl97tFxgjLUEHIX3MSTs

>>7
GNU forms a fundamental part of the system and so, it justifies naming rights. While it's true that there are other fundamental software, none of the other software completes the role as much a GNU and Linux.

Installing Cygwin into a Windows system isn't the same because Windows does not fundamentally rely upon Cygwin, Windows will work perfectly fine with or without Cygwin. This would not be true if you would somehow modify your Windows system to be fundamentally reliant upon Cygwin.