alessio_paternoster@Asus-S550CB:~$ df -h
File system     Dim. Usati Dispon. Uso% Montato su
/dev/sdb2       5,2G  606M    4,3G  13% /
none            4,0K     0    4,0K   0% /sys/fs/cgroup
udev            3,9G  4,0K    3,9G   1% /dev
tmpfs           2,4G  1,5M    2,4G   1% /tmp
tmpfs           788M  1,3M    786M   1% /run
none            5,0M     0    5,0M   0% /run/lock
none            3,9G  408K    3,9G   1% /run/shm
none            100M   76K    100M   1% /run/user
/dev/sdb3       5,2G  1,6G    3,4G  31% /opt
/dev/sdb4        11G  6,4G    4,0G  62% /usr
/dev/sdb1       188M  7,8M    180M   5% /boot/efi
/dev/sda2       7,4G  1,3G    5,8G  18% /var
/dev/sda3       282G   18G    250G   7% /home
tmpfs           3,9G  580K    3,9G   1% /var/log
/dev/sr1         23M   23M       0 100% /media/alessio_paternoster/OPPO DRIVER
alessio_paternoster@Asus-S550CB:~$