Plan 9 was a legitimate research operating system developed by computer scientists who had a key role in the development of UNIX and other highly-regarded pieces of software.
Plan 9-based technologies are a part of most, if not all, operating systems today (even Windows!).
But, a fun article, and I'm always happy to see Plan 9 crop up from time to time. It's at risk of being forgotten, but shouldn't be.
No, TempleOS was a fringe operating system.
Plan 9 was a legitimate research operating system developed by computer scientists who had a key role in the development of UNIX and other highly-regarded pieces of software.
Plan 9-based technologies are a part of most, if not all, operating systems today (even Windows!).
But, a fun article, and I'm always happy to see Plan 9 crop up from time to time. It's at risk of being forgotten, but shouldn't be.