The OS is Open Sourced like MacOS and based on BSD Unix. Steve Jobs when he formed Next didn't want to reinvent the wheel and went with BSD Unix and built on top of that. Which later would merge with MacOS to become MacOSX.
You can have a NextStep like GUI on Linux using GNUStep: https://www.gnustep.org/
orionblastar•8mo ago
The OS is Open Sourced like MacOS and based on BSD Unix. Steve Jobs when he formed Next didn't want to reinvent the wheel and went with BSD Unix and built on top of that. Which later would merge with MacOS to become MacOSX.
You can have a NextStep like GUI on Linux using GNUStep: https://www.gnustep.org/