#!/bin/bash
#
# xxx
#
#


dpkg --get-selections > /home/xxx/Desktop/bk_paquetes_instalados.txt

tam_etc=`du -ms /etc|awk '{print $1}'`
tam_varlog=`du -ms /var/log|awk '{print $1}'`

tam_varlib=`du -ms /var/lib|awk '{print $1}'`

tam_home=`du -ms /home|awk '{print $1}'`

let tam_total=($tam_etc + $tam_varlog + $tam_varlib + $tam_home)

echo $tam_total