Relatable stories here, even if you were only on the periphery of UNIX admin: <news.ycombinator.com/item>
To this day — because I did not use vi regularly and, like the legendary naval commander whose secret for success was a slip of paper that reminding him of ‘port’ and ‘starboard’ (https://en.wikipedia.org/wiki/Port_and_starboard) — I keep a vi cheatsheet under my keyboard.