Filesystem Type Size Used Avail Use% Mounted on udev devtmpfs 3.8G 0 3.8G 0% /dev tmpfs tmpfs 786M 9.5M 776M 2% /run /dev/sdd1 iso9660 2.1G 2.1G 0 100% /cdrom /dev/loop0 squashfs 2.0G 2.0G 0 100% /rofs /cow overlay 3.9G 294M 3.6G 8% / /dev/disk/by-label/writable ext4 55G 58M 52G 1% /var/log tmpfs tmpfs 3.9G 0 3.9G 0% /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 4.0K 3.9G 1% /tmp tmpfs tmpfs 786M 68K 785M 1% /run/user/XXX