Uh, that‘s interesting! Do you have a source for this (or is it firsthand knowledge?)
[1] https://developer.apple.com/library/archive/documentation/Co...
> Totally wrong. The NS prefix predated Sun signing on to implement the OpenStep spec by quite a bit. It was either NS for “NeXTStep” or “New System”. None of us can remember which, though, but definitely not NeXT-Sun.