Doom as a tool for system administration As I was listening to Anil talk about daemons spawning processes and sysadmins killing them, I thought, "What a great user interface!" Imagine running around with a shotgun blowing away your daemons and processes, never needing to type kill -9 again. In 1981, Vernor Vinge introduced the concept of cyberspace to the reading public in his novella True Names,