Multiple choice technology web technology The Mac OS X kernel is derived from XNU. What does "XNU" stand for? Xena Never Understands XeN Unix X Is Not Unix The creator, Xavier Nelson Underwood Reveal answer Fill a bubble to check yourself C Correct answer Explanation XNU stands for 'X is Not Unix,' a recursive acronym following the GNU pattern. It's the hybrid kernel architecture used in Mac OS X, combining elements from Mach and BSD.