diff --git a/home-manager/zsh.nix b/home-manager/zsh.nix
index e521e7b..66874a1 100644
--- a/home-manager/zsh.nix
+++ b/home-manager/zsh.nix
@@ -6,15 +6,16 @@
       # new option autosuggestion.enable = true;
       enableAutosuggestions = true;
       shellAliases = {
-          ll = "ls -l";
-          update = "sudo nixos-rebuild switch";
-          updateOffline = "sudo nixos-rebuild switch --option substitute false";
-          updateFancy = "nh os switch";
+          # TODO: gifsicle -O3 --lossy=30 noita-20240328-191617-1612416266-00316616.gif -o noita-20240328-191617-1612416266.gif 
+          backupNoita = "cp -r ~/.local/share/Steam/steamapps/compatdata/881100/pfx/drive_c/users/steamuser/AppData/LocalLow/Nolla_Games_Noita/save00 /synced/default/backups/noita_save";
           checkTime = "(cd /synced/work_drive/TS && nix run)";
           checkWaylandWindowsKDE = "qdbus org.kde.KWin /KWin org.kde.KWin.showDebugConsole";
-          backupNoita = "cp -r ~/.local/share/Steam/steamapps/compatdata/881100/pfx/drive_c/users/steamuser/AppData/LocalLow/Nolla_Games_Noita/save00 /synced/default/backups/noita_save";
-          # TODO: gifsicle -O3 --lossy=30 noita-20240328-191617-1612416266-00316616.gif -o noita-20240328-191617-1612416266.gif 
+          collectGarbage = "sudo nix-collect-garbage --delete-older-than 7d && nix-collect-garbage --delete-older-than 7d";
+          ll = "ls -l";
           ssh = "TERM=xterm-256color ssh";
+          update = "sudo nixos-rebuild switch";
+          updateFancy = "nh os switch";
+          updateOffline = "sudo nixos-rebuild switch --option substitute false";
       };
       oh-my-zsh = {
         enable = true;
diff --git a/users/default.nix b/users/default.nix
index cf93191..57532cf 100644
--- a/users/default.nix
+++ b/users/default.nix
@@ -6,6 +6,8 @@
 }:
 {
   imports = [ ./option.nix ]; 
+
+  environment.systemPackages = [ pkgs.home-manager ];
   home-manager = {
     useGlobalPkgs = true;
     extraSpecialArgs = {