Type: [[Reusable]], [[System]], [[Creation]], [[Parable]] --- IN PROGRESS - We don't remember the `qed` editor, but everyone knows `grep`. - And `grep` was implemented by ripping out a small part of `qed`. - The command was originally called `s`, for "search." - Became grep when it ken moved it out of his home directory and into `/bin`. - The word grep was in the Oxford English Dictionary by the following year.