diff --git a/.gitmodules b/.gitmodules
index 56a22a2..556ba0b 100644
--- a/.gitmodules
+++ b/.gitmodules
@@ -4,3 +4,6 @@
 [submodule "repo"]
 	path = repo
 	url = git@stvnliu.me:steven/ebuild-lithium
+[submodule "exec"]
+	path = exec
+	url = git@stvnliu.me:steven/util-scripts
diff --git a/Makefile b/Makefile
deleted file mode 100644
index 58fac63..0000000
--- a/Makefile
+++ /dev/null
@@ -1,16 +0,0 @@
-PREFIX ?= /usr/local
-BINDIR ?= $(PREFIX)/bin
-SRCDIR ?= exec
-
-SCRIPTS := $(wildcard $(SRCDIR)/*.sh)
-
-install:
-	@mkdir -p $(BINDIR)
-	for f in $(SCRIPTS); do \
-		install -m 755 "$$f" "$(BINDIR)/$$(basename $$f .sh)"; \
-	done
-
-uninstall:
-	for f in $(SCRIPTS); do \
-		rm -f "$(BINDIR)/$$(basename $$f .sh)"; \
-	done
diff --git a/exec b/exec
new file mode 160000
index 0000000..96d0182
--- /dev/null
+++ b/exec
@@ -0,0 +1 @@
+Subproject commit 96d01820c1311de7703a80446b228e33b65eab7c
diff --git a/exec/batman.sh b/exec/batman.sh
deleted file mode 100755
index 1440ac5..0000000
--- a/exec/batman.sh
+++ /dev/null
@@ -1,2 +0,0 @@
-#!/usr/bin/bash
-echo $(wcalc -q "round($(cat /sys/class/power_supply/BAT1/charge_now)/$(cat /sys/class/power_supply/BAT1/charge_full) * 100)")%
diff --git a/exec/docked-setup.sh b/exec/docked-setup.sh
deleted file mode 100755
index 9501045..0000000
--- a/exec/docked-setup.sh
+++ /dev/null
@@ -1,2 +0,0 @@
-sleep 5
-wlr-randr --output "HDMI-A-1" --on --mode "2560x1440@144.001007" --scale 1
diff --git a/exec/mem.sh b/exec/mem.sh
deleted file mode 100755
index 95a402b..0000000
--- a/exec/mem.sh
+++ /dev/null
@@ -1 +0,0 @@
-free -g | awk 'NR==2 {printf "%dG/%dG\n", $3, $2}'
diff --git a/exec/screenshot-file.sh b/exec/screenshot-file.sh
deleted file mode 100755
index 46d9a73..0000000
--- a/exec/screenshot-file.sh
+++ /dev/null
@@ -1,5 +0,0 @@
-#!/usr/bin/sh
-IFS=""
-file="$HOME/Screenshots/$(date '+%Y-%m-%d-%H-%M-%S.png')"
-echo $file
-slurp | grim -g - $file
diff --git a/exec/screenshot.sh b/exec/screenshot.sh
deleted file mode 100755
index 2cb8d22..0000000
--- a/exec/screenshot.sh
+++ /dev/null
@@ -1 +0,0 @@
-slurp | grim -g - - | wl-copy
diff --git a/exec/stats.sh b/exec/stats.sh
deleted file mode 100755
index 51f0ab0..0000000
--- a/exec/stats.sh
+++ /dev/null
@@ -1 +0,0 @@
-echo "<$(hostname)@$(uname -r)> [BAT: $(batman)] [MEM: $(mem)]"
diff --git a/exec/vol.sh b/exec/vol.sh
deleted file mode 100755
index e12df6d..0000000
--- a/exec/vol.sh
+++ /dev/null
@@ -1,115 +0,0 @@
-#!/usr/bin/env bash
-#
-# volume-notify.sh — adjust volume via wpctl + show notification via dunstify
-#
-# Usage:
-#   volume-notify.sh up    → raise volume
-#   volume-notify.sh down  → lower volume
-#   volume-notify.sh mute  → toggle mute
-#
-# Adjust the step size and icons as desired.
-
-# Which sink to use — default audio sink
-SINK="@DEFAULT_SINK@"
-
-# Step percent (use percentage step)
-STEP="5%"
-
-# Notification stack tag (so dunst replaces same notification)
-STACK_TAG="volume-notify"
-
-# Icons (set your paths or icon names)
-ICON_HIGH="audio-volume-high"
-ICON_MED="audio-volume-medium"
-ICON_LOW="audio-volume-low"
-ICON_MUTED="audio-volume-muted"
-
-# Increase volume
-vol_up() {
-    wpctl set-volume $SINK $STEP+ -l 1
-}
-
-# Decrease volume
-vol_down() {
-    wpctl set-volume $SINK $STEP- -l 1
-}
-
-# Toggle mute
-vol_mute() {
-    wpctl set-mute $SINK toggle
-}
-
-# Get current volume (floating between 0.0-∞, where 1.0 = 100%) and compute percent
-get_volume_percent() {
-    # Example output: “Volume: 0.50” or “Volume: 0.50 [50%]”
-    local raw
-    raw=$(wpctl get-volume $SINK 2>/dev/null | awk '/Volume:/ {print $2}')
-    # convert to percent
-    # float *100
-    local pct
-    pct=$(awk "BEGIN { printf \"%d\", ($raw * 100) }")
-    echo "$pct"
-}
-
-# Get mute state (yes/no)
-get_mute_state() {
-    local m
-    m=$(wpctl get-volume $SINK 2>/dev/null | awk '/Mute:/ {print $2}')
-    echo "$m"
-}
-
-# Send the notification
-send_notification() {
-    local pct mute icon bar
-    pct=$(get_volume_percent)
-    mute=$(get_mute_state)
-
-    if [[ "$mute" == "yes" ]]; then
-        icon="$ICON_MUTED"
-        # we can treat volume as 0
-        pct=0
-    else
-        # pick icon based on level
-        if (( pct >= 66 )); then
-            icon="$ICON_HIGH"
-        elif (( pct >= 33 )); then
-            icon="$ICON_MED"
-        else
-            icon="$ICON_LOW"
-        fi
-    fi
-
-    # Optional: build a simple textual bar (e.g., █ or ░)
-    # e.g., length 20, filled proportionally
-    local barlen=20
-    local filled=$(( (pct * barlen) / 100 ))
-    bar=$(printf '%*s' "$filled" '' | tr ' ' '█')
-    bar+=$(printf '%*s' "$((barlen - filled))" '' | tr ' ' '░')
-
-    # Send notification: use value hint for progress bar
-    dunstify -i "$icon" \
-		-u normal \
-		-h string:x-dunst-stack-tag:$STACK_TAG \
-		-h int:value:$pct "Volume: ${pct}%"
-}
-
-# Main logic
-case "$1" in
-    up)
-        vol_up
-        send_notification
-        ;;
-    down)
-        vol_down
-        send_notification
-        ;;
-    mute)
-        vol_mute
-        send_notification
-        ;;
-    *)
-        echo "Usage: $0 {up|down|mute}"
-        exit 1
-        ;;
-esac
-