NixOS is the latest and greatest in terms of system configuration management. Think of how configuration management tools like Ansible or Packer.io allow you to define the run-time configuration of you machine in a state-ful way. Combine that with the power of what is the Nix package manager, and you have a Linux distribution that follows this model for configuring the entire system. My Nixos/Enlightenment desktop. NixOS Experience I decided to test drive NixOS and see what I thought.