Filesystem Type Size Used Avail Use% Mounted on udev devtmpfs 10M 0 10M 0% /dev /dev/sda4 ext4 916G 55G 815G 7% / tmpfs tmpfs 780M 1.2M 779M 1% /run shm tmpfs 3.9G 92M 3.8G 3% /dev/shm cgroup_root tmpfs 10M 0 10M 0% /sys/fs/cgroup tmpfs tmpfs 780M 24K 780M 1% /run/user/XXXX