Filesystem     1K-blocks     Used Available Use% Mounted on
/dev/sda1      477752264  6105996 447354736   2% /
none                   4        0         4   0% /sys/fs/cgroup
udev             1401652        4   1401648   1% /dev
tmpfs             282352     1048    281304   1% /run
none                5120        0      5120   0% /run/lock
none             1411760       76   1411684   1% /run/shm
none              102400       36    102364   1% /run/user
/dev/sdb1      214796128 97572608 117223520  46% /media/eduardo/My Book
/dev/sdb2       97667648      128  97667520   1% /media/eduardo/89B3-DEC0