{
  description = "OS Config";

  inputs = {
    nixpkgs.url = "github:nixos/nixpkgs/nixos-unstable";
  };

  outputs = { self, nixpkgs }:
  let
    system = "x86_64-linux";
    pkgs = import nixpkgs {
      inherit system;
      config = {
        allowUnfree = true;
      };
    };

  in
  {

  nixosConfigurations = {
    x600 = nixpkgs.lib.nixosSystem {
      specialArgs = { inherit system; };
      modules = [
        ./nixos/configuration.nix
      ];
    };
  };

  };
}