Seonglae ChomacOS is a direct descendant of NeXTSTEP
OpenStep → Rhapsody → Mac OS X Server 1.0 → Mac OS X Public Beta → Mac OS X 10.0 → ...
Up until Mac OS X 10.4 Tiger, traces of NeXTSTEP icons were still present
Internal History
macOS Internals
macOS Internals · GitHub
https://gist.github.com/kconner/cff08fe3e0bb857ea33b47d965b3e19f
