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I capped the line-of-code count at 100,000 and God said it must be perfect, so it will never be an ugly monstrocity.
—Terry A. Davis[1]
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The rinky-dink screen: because God said so.
Christ died for
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A multi-chef broth
Devil's in the details
The pearly gates

TempleOS is a Christianity-themed operating system written by Terry A. Davis (1969–2018).[2][3]

Long story short, Davis was a former atheist who, after being hospitalized for mental health issues, then claimed to communicate with God and said he had heard him tell him to develop TempleOS. The OS was, according to Davis, built for "God's Third Temple".[3] He was apparently told in these communications to create the OS with 16 colors and mono sound. It also has no network capability, and — get this — a dialect of C called "HolyC". According to him, he could communicate with God through a TempleOS program called "AfterEgypt", but no one else so far has succeeded at this. So basically, this is an OS developed by a schizophrenic that is stuck in 1990 for video and sound (despite being finished in 2003).[3] Fortunately, TempleOS is open source (it's public domain as well), so as a mildly interesting programming project, it's not all bad, and to be fair programming an entire OS on one's own is an impressive feat; consequently, he ended up developing a following among the hacker community.[4]

Davis was a rather confrontational individual, and was in the habit of calling people certain racial epithets,[3] notably referring to "CIA niggers", whom Davis alleged to have killed with his car.[5] His death (which may have been a suicide), however, was met with some sadness in the hacker community — it's all too common for a hacker to have their life's work go largely unnoticed, and possibly ridiculed, so the empathy was unusual.[6]


  • "I was chosen by God because I am the best programmer on the planet and God boosted my IQ with divine intellect."[7]
  • "God said 640x480 16 color was a covenant like circumcision."[8]
  • "The CIA niggers glow in the dark, you can see em' if you're driving, you just run them over. That's what you do."[9]


External links[edit]