diff --git a/prev/init-bwrap.sh b/prev/init-bwrap.sh
new file mode 100644
index 0000000..8ece13e
--- /dev/null
+++ b/prev/init-bwrap.sh
@@ -0,0 +1,42 @@
+#!/bin/bash
+
+echo $0 $@ $(pwd)
+cd "$(dirname "$0")"
+
+mkdir -p rootfs upper squash
+
+./busybox tar xf utils.tar
+./busybox sh -c "utils/squashfuse ./root.sqsh ./squash"
+./busybox sh -c "utils/unionfs -o cow upper=RW:squash=RO rootfs"
+./busybox sh -c "mkdir ./app ./rootfs/app"
+
+./busybox sh -c "utils/bwrap \
+  --bind ./rootfs / \
+  --dev-bind /dev /dev \
+  --proc /proc \
+  --tmpfs /tmp \
+  --ro-bind /sys /sys \
+  --dir /var/tmp \
+  --ro-bind ./app /app \
+  --bind /home/$USER/ /home/user/ \
+  --ro-bind /sys/block /sys/block \
+  --ro-bind /sys/bus /sys/bus \
+  --ro-bind /sys/class /sys/class \
+  --ro-bind /sys/dev /sys/dev \
+  --ro-bind /sys/devices /sys/devices \
+  --ro-bind /etc/resolv.conf /etc/resolv.conf \
+  --unshare-net \
+  --unshare-ipc \
+  --unshare-pid \
+  --unshare-uts \
+  --unshare-cgroup \
+  --unshare-all \
+  --hostname virt \
+  --setenv HOME /home/user \
+  --setenv USER user \
+  --setenv PATH /usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin:/app \
+  --dir /run/user/$(id -u) \
+  /bin/bash"
+
+./busybox sh -c "umount ./rootfs"
+./busybox sh -c "umount ./squash"
diff --git a/prev/init-flatpak.sh b/prev/init-flatpak.sh
new file mode 100644
index 0000000..cd826e8
--- /dev/null
+++ b/prev/init-flatpak.sh
@@ -0,0 +1,56 @@
+#!/bin/bash
+
+echo $0 $@ $(pwd)
+cd "$(dirname "$0")"
+
+./busybox sh -c "mkdir -p rootfs upper squash usr app"
+./busybox sh -c "mkdir -p ./rootfs/{app,dev,proc,tmp,sys,home,usr,lib,lib64,bin,etc,sbin,var}"
+./busybox sh -c "mkdir -p ./rootfs/{home/user,var/tmp}"
+./busybox sh -c "mkdir -p ./rootfs/sys/{block,bus,class,dev,devices}"
+
+./busybox tar xzf utils.tar.gz
+./busybox tar xf usr.tar -C ./usr
+./busybox tar xf app.tar -C ./app
+./busybox sh -c "cp utils/busybox ./usr/bin/"
+
+# ./busybox sh -c "utils/squashfuse ./root.sqsh ./squash"
+# ./busybox sh -c "utils/unionfs -o cow upper=RW:squash=RO rootfs"
+
+# --bind ./rootfs / \
+
+# ./busybox sh
+./busybox sh -c "utils/bwrap \
+  --dev-bind /dev /dev \
+  --proc /proc \
+  --tmpfs /tmp \
+  --ro-bind /sys /sys \
+  --dir /var/tmp \
+  --ro-bind ./usr /usr \
+  --ro-bind ./app /app \
+  --symlink usr/bin bin \
+  --symlink usr/lib lib \
+  --symlink usr/lib64 lib64 \
+  --symlink usr/sbin sbin \
+  --bind /home/$USER/ /home/user/ \
+  --ro-bind /sys/block /sys/block \
+  --ro-bind /sys/bus /sys/bus \
+  --ro-bind /sys/class /sys/class \
+  --ro-bind /sys/dev /sys/dev \
+  --ro-bind /sys/devices /sys/devices \
+  --ro-bind /etc/resolv.conf /etc/resolv.conf \
+  --unshare-net \
+  --unshare-ipc \
+  --unshare-pid \
+  --unshare-uts \
+  --unshare-cgroup \
+  --unshare-all \
+  --hostname virt \
+  --setenv HOME /home/user \
+  --setenv USER user \
+  --setenv LD_LIBRARY_PATH /app/lib \
+  --setenv PATH /usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin:/app/bin \
+  --dir /run/user/$(id -u) \
+  /usr/bin/busybox sh"
+
+# ./busybox sh -c "umount ./rootfs"
+# ./busybox sh -c "umount ./squash"
diff --git a/prev/sizes.sh b/prev/sizes.sh
new file mode 100644
index 0000000..8b1f1f0
--- /dev/null
+++ b/prev/sizes.sh
@@ -0,0 +1,16 @@
+#!/bin/bash
+
+totalsize=0 
+echo '========================'
+for file in "$@";
+do
+  if [ ! -f $file ]; then
+    echo File "$file" doesnt exists.;
+    exit;
+  fi;
+  filesize=$(stat -c%s $file)
+  totalsize=$(($totalsize+$filesize))
+  printf '%-12s  %+8s\n' "$(basename $file)" "$(($filesize/1024)) KB";
+done
+echo '========================'
+printf 'Total %+16s\n' "$(($totalsize/1024)) KB";