Filesystem Type Size Used Avail Use% Mounted on overlay overlay 2.0G 216M 1.8G 11% / tmpfs tmpfs 4.0M 0 4.0M 0% /sys/fs/cgroup devtmpfs devtmpfs 1.9G 0 1.9G 0% /dev tmpfs tmpfs 2.0G 39M 1.9G 2% /dev/shm tmpfs tmpfs 788M 12M 776M 2% /run /dev/sdb iso9660 2.2G 2.2G 0 100% /run/initramfs/omdv /dev/loop0 squashfs 2.2G 2.2G 0 100% /run/initramfs/image /run/initramfs/tmpfs tmpfs 2.0G 216M 1.8G 11% /run/initramfs/tmpfs tmpfs tmpfs 394M 92K 394M 1% /run/user/XXXX tmpfs tmpfs 2.0G 4.0K 2.0G 1% /tmp