kali.sh

for i in dev proc sys dev/pts
do
    mount -o bind /$i chroot/$i
done
chroot chroot
for i in dev/pts proc sys dev
do
    umount -chroot/$i
done
# or
mount -o bind /dev chroot/dev
mount -t sysfs none chroot/sys
mount -t proc none chroot/proc
mount -t devpts none chroot/dev/pts
chroot chroot
for i in dev/pts proc sys dev
do
    umount -chroot/$i
done