anchor.diff:      };
   
       users.extraGroups= { audio = { }; };
  -
     };
   }
  
positive.code: 
  {
    options = {
  
      musnix = {
  
        enable = mkOption {
          type = types.bool;
          default = false;
  
negative.code:               (pkgs.linux.override { extraConfig = "PREEMPT y" + kernelConfigOptimize; })
              else pkgs.linux
            ) pkgs.linuxPackages);
        in if cfg.kernel.realtime then rtKernel else stdKernel;
  
        kernelParams = [ "threadirq" ];
  
  