#!/bin/sh
umount -v /dev/sda1  
umount -v /dev/sda2  
umount -v /dev/sda3  
umount -v /dev/sda5  
umount -v /dev/sda6  
umount -v /dev/sda7  
umount -v /dev/sda8  
umount -v /dev/sda9  
umount -v /dev/sda10 
umount -v /dev/sda11 
umount -v /dev/sda12 
umount -v /dev/sda13