13
Now it is neither! As of June 13, 2016, the name has been changed to macOS https://www.apple.com/macos/sierra/
During the keynote at WWDC on June 13, 2016, Apple announced that OS X would be renamed macOS to stylistically match Apple's other operating systems, such as iOS, watchOS, and tvOS.
4
If anyone is interested, I've proposed a Hackintosh SE site.
🎉 Hackintosh Exchange (name pending)
Please come, vote, and contribute to the discussion
Only top voted, non community-wiki answers of a minimum length are eligible
