More interestingly, it was 64-bit from the core, and eschewed the use of traditional MMU in favor of just using the 64-bit address space to separate process's memory.
Except, Terry Davis became schizophrenic and wouldn't take his meds. He changed the name of his OS to TempleOS after he decided he was hearing god through it.
He used to comment here on HN (user "templeos" now deleted apparently), but his increasingly irrelevant and (literally) insanely racist comments quickly led him to being shadowbanned.
Vice wrote an article about him: https://motherboard.vice.com/en_us/article/wnj43x/gods-lonel...
Last we heard a year or so ago, he was homeless in Vegas after getting kicked out by his parents: https://news.ycombinator.com/item?id=16105043