Filesystem Type Size Used Avail Use% Mounted on udev devtmpfs 3.8G 0 3.8G 0% /dev tmpfs tmpfs 784M 1.7M 783M 1% /run /dev/mapper/XXXXXX iso9660 4.1G 4.1G 0 100% /run/live/medium /dev/loop0 squashfs 3.8G 3.8G 0 100% /run/live/rootfs/filesystem.squashfs tmpfs tmpfs 3.9G 460M 3.4G 12% /run/live/overlay overlay overlay 3.9G 460M 3.4G 12% / tmpfs tmpfs 3.9G 44M 3.8G 2% /dev/shm tmpfs tmpfs 5.0M 4.0K 5.0M 1% /run/lock tmpfs tmpfs 3.9G 0 3.9G 0% /sys/fs/cgroup tmpfs tmpfs 3.9G 504K 3.9G 1% /tmp tmpfs tmpfs 784M 28K 784M 1% /run/user/XXXX