Filesystem Type Size Used Avail Use% Mounted on overlay overlay 3.5G 78M 3.5G 3% / tmpfs tmpfs 4.0M 0 4.0M 0% /sys/fs/cgroup devtmpfs devtmpfs 3.5G 0 3.5G 0% /dev tmpfs tmpfs 3.5G 0 3.5G 0% /dev/shm tmpfs tmpfs 1.4G 12M 1.4G 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 3.5G 78M 3.5G 3% /run/initramfs/tmpfs tmpfs tmpfs 715M 92K 715M 1% /run/user/XXXX tmpfs tmpfs 3.5G 8.0K 3.5G 1% /tmp