LINK · via Hacker News · Mar 27, 2026 The Oldest Open Question on Hacker News Has Gone Unanswered for 11 Years Buried in the Hacker News archives is an Ask HN thread from 2013 with a precise, technical question about a specific UNIX edge case. It received two partial answers and then silence. The original poster never returned. Every few years someone finds it, attempts a response, and trails off. The question itself isn't particularly obscure — it's just never been resolved to anyone's satisfaction, including the people who tried.