TempleOS is more than an exercise in retro computing, or a hobbyist’s space for programming close to the bare metal. It’s the brainchild – perhaps the life’s work – of 44-year-old Terry Davis, the founder and sole employee of Trivial Solutions. For more than a decade Davis has worked on it; today, TempleOS is 121,176 lines of code, which puts it on par with Photoshop 1.0. (By comparison, Windows 7, a full-fledged modern operating system designed to be everything to everyone, filled with decades of cruft, is â€‹about 40 million lines.)
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