diff --git a/scripts/systemctl.fish b/assets/systemctl.fish
similarity index 100%
rename from scripts/systemctl.fish
rename to assets/systemctl.fish
diff --git a/configuration.nix b/configuration.nix
index bb053b3..7ddc714 100644
--- a/configuration.nix
+++ b/configuration.nix
@@ -51,6 +51,7 @@
       fira-code
       fira-code-symbols
       font-awesome_5
+      aileron
     ];
     fontconfig = {
       enable = true;
diff --git a/home.nix b/home.nix
index 8c71518..74f136d 100644
--- a/home.nix
+++ b/home.nix
@@ -27,9 +27,10 @@ in {
       # command line utilities
       ag
       fzy
+      imagemagick
       jq
       tldr
-      imagemagick
+      unzip
       # graphical applications
       alacritty
       atom
@@ -68,9 +69,26 @@ in {
         matthewess/fish-autovenv
       '';
       ".config/fish/completions/systemctl.fish".source =
-        ./scripts/systemctl.fish;
-      ".config/fish/functions/kbl.fish".source = ./scripts/kbl.fish;
-      ".config/fish/functions/mkdcd.fish".source = ./scripts/mkdcd.fish;
+        ./assets/systemctl.fish;
+      ".config/fish/functions/kbl.fish".text = ''
+        function kbl -a level
+          set -l initial (cat /sys/class/leds/tpacpi\:\:kbd_backlight/brightness)
+          test -z "$level"; and set -l level $initial
+          echo $level > /sys/class/leds/tpacpi\:\:kbd_backlight/brightness
+        end
+      '';
+      ".config/fish/functions/mkdcd.fish".text = ''
+        function mkdcd -a target
+          mkdir $target
+          cd $target
+        end
+      '';
+      ".config/fish/functions/unz.fish".text = ''
+        function unz -a target
+          string match \*.zip $target; and set target (basename target)
+          unzip -d $target $target
+        end
+      '';
       ".config/i3status/config".text = ''
         # i3status configuration file.
         # see "man i3status" for documentation.
diff --git a/scripts/kbl.fish b/scripts/kbl.fish
deleted file mode 100644
index aa968bb..0000000
--- a/scripts/kbl.fish
+++ /dev/null
@@ -1,4 +0,0 @@
-function kbl -a level
-  test -z "$level"; and set -l level (cat /sys/class/leds/tpacpi\:\:kbd_backlight/brightness)
-  echo $level > /sys/class/leds/tpacpi\:\:kbd_backlight/brightness
-end
diff --git a/scripts/mkdcd.fish b/scripts/mkdcd.fish
deleted file mode 100644
index 21ae7f8..0000000
--- a/scripts/mkdcd.fish
+++ /dev/null
@@ -1,4 +0,0 @@
-function mkdcd -a target
-  mkdir $target
-  cd $target
-end