anchor.diff:  
         environment.shellAliases.l = "ls -lh";
         environment.shellAliases.ls = "ls -G";
  -      environment.shellAliases.tmux = "${pkgs.tmux}/bin/tmux";
  -      environment.shellAliases.zsh = "${pkgs.zsh}/bin/zsh";
  +      environment.shellAliases.g = "git log --graph --oneline";
  +      environment.shellAliases.gd = "git diff --minimal -p";
   
         environment.etc."tmux.conf".text = ''
           ${config.programs.tmux.config}
  
positive.code:           serviceConfig.ProcessType = "Background";
          };
  
        programs.tmux.loginShell = "${pkgs.zsh}/bin/zsh -l";
        programs.tmux.enableSensible = true;
        programs.tmux.enableMouse = true;
        programs.tmux.enableVim = true;
  
negative.code: 
          setopt HIST_IGNORE_DUPS SHARE_HISTORY HIST_FCNTL_LOCK
  
          export PATH=${config.environment.systemPath}''${PATH:+:$PATH}
          typeset -U PATH
  
          ${config.system.build.setEnvironment}
          ${config.system.build.setAliases}
  
  