diff --git a/system/nixos/configuration.nix b/system/nixos/configuration.nix
index 73607ba..b9085ec 100644
--- a/system/nixos/configuration.nix
+++ b/system/nixos/configuration.nix
@@ -84,22 +84,20 @@ in
   services.avahi.openFirewall = true;
   services.printing.enable = true;
 
-  # Enable sound with pipewire.
-  sound.enable = true;
-  hardware.pulseaudio.enable = true;
   security.rtkit.enable = true;
-  # services.pipewire = {
-  #   enable = true;
-  #   alsa.enable = true;
-  #   alsa.support32Bit = true;
-  #   pulse.enable = true;
-  #   # If you want to use JACK applications, uncomment this
-  #   #jack.enable = true;
-  #
-  #   # use the example session manager (no others are packaged yet so this is enabled by default,
-  #   # no need to redefine it in your config for now)
-  #   #media-session.enable = true;
-  # };
+  services.pipewire = {
+    enable = true;
+    alsa.enable = true;
+    alsa.support32Bit = true;
+    pulse.enable = true;
+  };
+
+  services.cron = {
+    enable = true;
+    systemCronJobs = [
+      "0 18 * * 5 ${pkgs.bash}/bin/bash -c 'rm -rf /home/${username}/Downloads/*'"
+    ];
+  };
 
   # Enable touchpad support (enabled default in most desktopManager).
   # services.xserver.libinput.enable = true;
@@ -107,7 +105,7 @@ in
   users.users.${username} = {
     isNormalUser = true;
     description = "Oliver Davies";
-    extraGroups = [ "docker" "networkmanager" "wheel" ];
+    extraGroups = [ "docker" "networkmanager" "wheel" "audio" ];
     packages = with pkgs; [ ];
   };
 
diff --git a/system/shared/home-manager.nix b/system/shared/home-manager.nix
index 6ae83cd..57dedfa 100644
--- a/system/shared/home-manager.nix
+++ b/system/shared/home-manager.nix
@@ -367,6 +367,18 @@ in
       ialias build-configs="~/Code/Personal/build-configs/bin/build-configs run"
       ialias update-build-configs="~/Code/Personal/build-configs-updater/update.sh"
 
+      alias -g A1="| awk '{print \$1}'"
+      alias -g Fj='| jq .'
+      alias -g Fy='| yq .'
+      alias -g G='| grep'
+      alias -g GH='| grep HTTP'
+      alias -g Gi='| grep -i'
+      alias -g H2='| head -n 20'
+      alias -g H='| head'
+      alias -g L='| less'
+      alias -g V='| vim -'
+      alias -g X='| xargs -I1'
+
       setopt auto_cd
       setopt auto_pushd
       setopt pushd_ignore_dups