anchor.diff:    # compatible, in order to avoid breaking some software such as database
     # servers. You should change this only after NixOS release notes say you
     # should.
  -  system.stateVersion = "18.03"; # Did you read the comment?
  +  system.stateVersion = "20.03"; # Did you read the comment?
   
   }
  
positive.code:       };
  
        desktopManager = {
          default = "xfce+i3";
          xterm.enable = false;
          xfce ={
            enable = true;
  
negative.code:     efi.canTouchEfiVariables = true;
    };
  
    # Pick which kernel to run. Need a newer one for Ryzen.
    boot.kernelPackages = pkgs.linuxPackages_5_2;
  
    nixpkgs.config.allowUnfree = true;
  
    networking.hostName = "Altair";
    networking.networkmanager.enable = true;
    networking.networkmanager.wifi.powersave = false;
    powerManagement.enable = false;
  