"would macos be linux without unix?"

[BriyasTaramya]

"What implications would arise if Apple hadn't pursued UNIX certification for macOS? Would macOS potentially have evolved into a Linux-based operating system instead? Additionally, what defines the essence of Linux, and how does it differentiate from UNIX and macOS in terms of architecture, philosophy, and community? Finally, how might the absence of UNIX certification have influenced the development trajectory and user experience of macOS?"