Filesystem Type Size Used Avail Use% Mounted on /dev/sda3 ext4 49G 12G 36G 24% / tmpfs tmpfs 4.0M 0 4.0M 0% /sys/fs/cgroup devtmpfs devtmpfs 4.0M 0 4.0M 0% /dev tmpfs tmpfs 3.9G 37M 3.9G 1% /dev/shm tmpfs tmpfs 1.6G 12M 1.6G 1% /run tmpfs tmpfs 796M 56K 796M 1% /run/user/XXXX tmpfs tmpfs 3.9G 332K 3.9G 1% /tmp