<b_jonas> slashlearn farbfeld//zzo38\'s Farbfeld utilities is a package of command-line programs (with rather strange command-line syntax) for manipulating images in a specific raw format called farbfeld. It\'s somewhat underdocumented. http://zzo38computer.org/fossil/farbfeld.ui/home

`! is a command that runs interpreters. Supposedly. Nobody actually uses it, or knows how it works. It has some historical significance, where it originally replaced some previous bot of #esoteric that was not as customizable as HackEgo.