if [ -z `which mcookie` ] || [ -z `which grep` ] || [ -z `which rm` ]; then
exit 125;
fi
TMP=/tmp/$(mcookie)
echo "OK" > ${TMP}
${PROOT} -b ${TMP}:/etc/fstab -b /dev/null -b /etc cat /etc/fstab | grep ^OK$
rm ${TMP}