Filesystem Type Size Used Avail Use% Mounted on overlay overlay 3.8G 402M 3.4G 11% / tmpfs tmpfs 4.0M 0 4.0M 0% /sys/fs/cgroup devtmpfs devtmpfs 3.8G 0 3.8G 0% /dev tmpfs tmpfs 3.8G 18M 3.8G 1% /dev/shm tmpfs tmpfs 1.6G 12M 1.6G 1% /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 3.8G 402M 3.4G 11% /run/initramfs/tmpfs tmpfs tmpfs 775M 108K 774M 1% /run/user/XXXX tmpfs tmpfs 3.8G 8.0K 3.8G 1% /tmp