Wow, who pissed on your sugar cube today? Mac OS 9 was a marvel to use, too bad you obviously haven't tried it much. And Mac OS 9 and Mac OS X had a loooot over things in common. And yes I can guess all I want, but if you don't care about it, then you shouldn't have brought it up. macOS is a marketing ploy... But OS X wasn't. Got ya...
Mac OS 9? If it were so good then Apple wouldn't have needed to buy NeXT. Apple had various aborted attempts to fix their OS strategy in the 90s and Steve 2 used Mac OS 9 as a band aid to OS X. It's generally accepted that Win95 over took Mac OS when released and it took until about Panther before WinXP could be challenged. Revisionism aside, a lot of the APIs were ported to make NeXT STEP more Mac like.
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Indeed.
Apple got their nickers in the twist once iOS 9 -> iOS 10
Hoe do you call both OS'es?
"Eye Oh Es Ten"
"Oh Es Ten"
Should simply have kept "Mac" before OS X 10.7 and later.
It would have been an issue for a year then iOS 11 would be along.