Filesystem Type Size Used Avail Use% Mounted on udev devtmpfs 16G 0 16G 0% /dev tmpfs tmpfs 3.1G 18M 3.1G 1% /run /dev/sda1 iso9660 2.1G 2.1G 0 100% /cdrom /dev/loop0 squashfs 2.0G 2.0G 0 100% /rofs /cow overlay 16G 801M 15G 6% / /dev/disk/by-label/writable ext4 117G 62M 111G 1% /var/log tmpfs tmpfs 16G 0 16G 0% /dev/shm tmpfs tmpfs 5.0M 4.0K 5.0M 1% /run/lock tmpfs tmpfs 16G 0 16G 0% /sys/fs/cgroup tmpfs tmpfs 16G 600K 16G 1% /tmp tmpfs tmpfs 3.1G 44K 3.1G 1% /run/user/XXX