diff --git a/arkdep-build.d/arkanelinux/overlay/post_install/usr/bin/arkane-readonly b/arkdep-build.d/arkanelinux/overlay/post_install/usr/bin/arkane-readonly
new file mode 100755
index 0000000..387b180
--- /dev/null
+++ b/arkdep-build.d/arkanelinux/overlay/post_install/usr/bin/arkane-readonly
@@ -0,0 +1,57 @@
+#!/usr/bin/env bash
+
+if [[ ! $1 ]]; then
+	cat <<-END
+		Usage: ${0##*/} enable|disable|status
+
+		Enable or disable read-only on currently booted Btrfs subvolume.
+	END
+	exit 0
+fi
+
+if [[ $EUID -ne 0 ]]; then
+	printf 'You have to be root to perform this action.\n'
+	exit 1
+fi
+
+if [[ $2 ]]; then
+	printf 'This script only takes a single argument.\n'
+	exit 1
+fi
+
+if [[ $1 == 'enable' ]]; then
+
+	if btrfs property get / 2> /dev/null | grep -q 'ro=true'; then
+		printf 'The root filesystem is already locked.\n'
+		exit 0
+	fi
+
+	printf 'Locking the root filesystem...\n'
+	btrfs property set / ro true
+
+elif [[ $1 == 'disable' ]]; then
+
+	if btrfs property get / 2> /dev/null | grep -q 'ro=false'; then
+		printf 'The root filesystem is already unlocked.\n'
+		exit 0
+	fi
+
+	printf 'Unlocking the root filesystem...\n'
+	btrfs property set / ro false &&
+		printf 'The root filesystem has now been unlocked, note that any changes made to it will not be carried over to future OS image updates.\n'
+
+elif [[ $1 == 'status' ]]; then
+
+	if btrfs property get / 2> /dev/null | grep -q 'ro=true'; then
+		printf 'enabled\n'
+	elif btrfs property get / 2> /dev/null | grep -q 'ro=false'; then
+		printf 'disabled\n'
+	else
+		printf 'unknown\n'
+		exit 1
+	fi
+
+else
+	printf 'No valid argument provided.\n'
+	exit 1
+fi
diff --git a/arkdep-build.d/test-arkanelinux-kde/overlay/post_bootstrap/usr/local/bin/vi b/arkdep-build.d/test-arkanelinux-kde/overlay/post_bootstrap/usr/local/bin/vi
new file mode 120000
index 0000000..161f676
--- /dev/null
+++ b/arkdep-build.d/test-arkanelinux-kde/overlay/post_bootstrap/usr/local/bin/vi
@@ -0,0 +1 @@
+/usr/bin/nvim
\ No newline at end of file
diff --git a/arkdep-build.d/test-arkanelinux-kde/overlay/post_bootstrap/usr/local/bin/vim b/arkdep-build.d/test-arkanelinux-kde/overlay/post_bootstrap/usr/local/bin/vim
new file mode 120000
index 0000000..161f676
--- /dev/null
+++ b/arkdep-build.d/test-arkanelinux-kde/overlay/post_bootstrap/usr/local/bin/vim
@@ -0,0 +1 @@
+/usr/bin/nvim
\ No newline at end of file
diff --git a/arkdep-build.d/test-arkanelinux-kde/overlay/post_install/usr/bin/arkane-readonly b/arkdep-build.d/test-arkanelinux-kde/overlay/post_install/usr/bin/arkane-readonly
new file mode 100755
index 0000000..387b180
--- /dev/null
+++ b/arkdep-build.d/test-arkanelinux-kde/overlay/post_install/usr/bin/arkane-readonly
@@ -0,0 +1,57 @@
+#!/usr/bin/env bash
+
+if [[ ! $1 ]]; then
+	cat <<-END
+		Usage: ${0##*/} enable|disable|status
+
+		Enable or disable read-only on currently booted Btrfs subvolume.
+	END
+	exit 0
+fi
+
+if [[ $EUID -ne 0 ]]; then
+	printf 'You have to be root to perform this action.\n'
+	exit 1
+fi
+
+if [[ $2 ]]; then
+	printf 'This script only takes a single argument.\n'
+	exit 1
+fi
+
+if [[ $1 == 'enable' ]]; then
+
+	if btrfs property get / 2> /dev/null | grep -q 'ro=true'; then
+		printf 'The root filesystem is already locked.\n'
+		exit 0
+	fi
+
+	printf 'Locking the root filesystem...\n'
+	btrfs property set / ro true
+
+elif [[ $1 == 'disable' ]]; then
+
+	if btrfs property get / 2> /dev/null | grep -q 'ro=false'; then
+		printf 'The root filesystem is already unlocked.\n'
+		exit 0
+	fi
+
+	printf 'Unlocking the root filesystem...\n'
+	btrfs property set / ro false &&
+		printf 'The root filesystem has now been unlocked, note that any changes made to it will not be carried over to future OS image updates.\n'
+
+elif [[ $1 == 'status' ]]; then
+
+	if btrfs property get / 2> /dev/null | grep -q 'ro=true'; then
+		printf 'enabled\n'
+	elif btrfs property get / 2> /dev/null | grep -q 'ro=false'; then
+		printf 'disabled\n'
+	else
+		printf 'unknown\n'
+		exit 1
+	fi
+
+else
+	printf 'No valid argument provided.\n'
+	exit 1
+fi
diff --git a/arkdep-build.d/test-arkanelinux-pantheon/overlay/post_install/usr/bin/arkane-readonly b/arkdep-build.d/test-arkanelinux-pantheon/overlay/post_install/usr/bin/arkane-readonly
new file mode 100755
index 0000000..387b180
--- /dev/null
+++ b/arkdep-build.d/test-arkanelinux-pantheon/overlay/post_install/usr/bin/arkane-readonly
@@ -0,0 +1,57 @@
+#!/usr/bin/env bash
+
+if [[ ! $1 ]]; then
+	cat <<-END
+		Usage: ${0##*/} enable|disable|status
+
+		Enable or disable read-only on currently booted Btrfs subvolume.
+	END
+	exit 0
+fi
+
+if [[ $EUID -ne 0 ]]; then
+	printf 'You have to be root to perform this action.\n'
+	exit 1
+fi
+
+if [[ $2 ]]; then
+	printf 'This script only takes a single argument.\n'
+	exit 1
+fi
+
+if [[ $1 == 'enable' ]]; then
+
+	if btrfs property get / 2> /dev/null | grep -q 'ro=true'; then
+		printf 'The root filesystem is already locked.\n'
+		exit 0
+	fi
+
+	printf 'Locking the root filesystem...\n'
+	btrfs property set / ro true
+
+elif [[ $1 == 'disable' ]]; then
+
+	if btrfs property get / 2> /dev/null | grep -q 'ro=false'; then
+		printf 'The root filesystem is already unlocked.\n'
+		exit 0
+	fi
+
+	printf 'Unlocking the root filesystem...\n'
+	btrfs property set / ro false &&
+		printf 'The root filesystem has now been unlocked, note that any changes made to it will not be carried over to future OS image updates.\n'
+
+elif [[ $1 == 'status' ]]; then
+
+	if btrfs property get / 2> /dev/null | grep -q 'ro=true'; then
+		printf 'enabled\n'
+	elif btrfs property get / 2> /dev/null | grep -q 'ro=false'; then
+		printf 'disabled\n'
+	else
+		printf 'unknown\n'
+		exit 1
+	fi
+
+else
+	printf 'No valid argument provided.\n'
+	exit 1
+fi