Filesystem Type Size Used Avail Use% Mounted on udev devtmpfs 1.5G 0 1.5G 0% /dev tmpfs tmpfs 314M 1.8M 313M 1% /run /dev/sda2 ext4 916G 141G 729G 17% / tmpfs tmpfs 1.6G 161M 1.4G 11% /dev/shm tmpfs tmpfs 5.0M 0 5.0M 0% /run/lock tmpfs tmpfs 1.6G 0 1.6G 0% /sys/fs/cgroup /dev/sda1 vfat 511M 5.3M 506M 2% /boot/efi tmpfs tmpfs 314M 56K 314M 1% /run/user/XXXX /dev/sdb1 fuseblk 3.7T 319G 3.4T 9% /media/XXXXXXXXX Book