diff --git a/users/demo/home/bash.nix b/users/demo/home/bash.nix
index 1a71045..7d845f4 100644
--- a/users/demo/home/bash.nix
+++ b/users/demo/home/bash.nix
@@ -10,6 +10,7 @@
         mv = "mv -iv";
         rm = "rm -iv";
         df = "df -h";
+        listgen = "sudo nix-env -p /nix/var/nix/profiles/system --list-generations";
       };
     };
   };