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OSNews reports: Terrence Andrew Davis, sole creator and developer of TempleOS (née LoseThos), has passed away at age 48. Davis suffered from mental illness -- schizophrenia -- which had a severe impact on his life. He claimed he created his operating system after having spoken with and receiving instructions from god, and he was a controversial figure, also here on OSNews, for his incomprehensible rants and abrasive style towards OSNews readers and staff. We eventually had to ban him, but our then-editor Kroc Kamen worked with him in 2010 to publish an article about his operating system despite his ban.... I hope he found peace -- wherever he may be.
Davis spent 10 years building "an operating system to talk to God," according to a 2014 profile in Motherboard, which described its welcome screen as "a riot of 16-color, scrolling, blinking text" resembling early DOS-based GUIs. (Wikipedia describes its interface as "a mixture of DOS and Turbo C.") To build his operating system, Terry wrote 121,176 lines of code.

An anonymous reader writes: Davis learned assembly language on a Commodore 64 before he'd graduated from high school. He eventually got a master's degree in electrical engineering from Arizona State University, and as an undergrad he worked briefly at Ticketmaster, programming operating systems. His later life included time in mental hospitals and some homelessness, as well as living at home with his parents after his schizophrenia was diagnosed and treated.

In 2014 Motherboard pieced together his lifestyle from emailed updates Terry sent from his Ubuntu desktop. They concluded he was living on disability, and spent most of his time coding, surfing the web, "or using the output from the National Institute of Standards and Technology randomness beacon to talk to God -- he posts the results on his webpage as 'Terry Davis' Rants.'" Their article describes him as "God's lonely programmer," saying Davis "offered the world a temple to a God who speaks only to him, and is still waiting for everyone else to listen."
Terry's death was confirmed by a local Oregon newspaper, and the official web site for TempleOS now also includes this death notice:

In the wake of Terry A. Davis' passing his family has requested supporters of his donate to "organizations working to ease the pain and suffering caused by mental illness" such as

• The Brain & Behavior Research Foundation
• National Alliance on Mental Illness

jones_supa writes: TempleOS has become somewhat of a legend in the operating system community. Its sole author, Terry A. Davis, is a special kind of person, who has a tendency to appear in various places with a burst of strange comments. Nevertheless, he has spent the past 12 years creating a new operating system from scratch, and has shipped a functional product. An article takes a constructive technical look at the internals of TempleOS: installation, shell, file explorer, hypertext system, custom HolyC programming language, and interaction with hardware. The OS ships with a suite of several tools and demos as well. To see the sheer amount of content that's been written here over the years, to see such effort expended on a labor of love, is wonderfully heart-warming. In many ways TempleOS seems similar to systems such as the Xerox Alto, Oberon, and Plan 9; an all-inclusive system that blurs the lines between programs and documents.