From an unofficial FAQ:

	Q. What does NT stand for?
	A. NT actually stands for Northern Telecom but Microsoft licensed it and in the Windows 
	sense stands for New Technology. Its also interesting to note its heritage
	RSX -> VMS -> ELN -> NT all major designs of David Cutler
	Also VMS +1 letter = WNT (Windows NT) :-) (aka HAL and IBM in 2001)