Filesystem Type Size Used Avail Use% Mounted on overlay overlay 2.9G 135M 2.8G 5% / tmpfs tmpfs 4.0M 0 4.0M 0% /sys/fs/cgroup devtmpfs devtmpfs 4.0M 0 4.0M 0% /dev tmpfs tmpfs 2.9G 0 2.9G 0% /dev/shm tmpfs tmpfs 1.2G 12M 1.2G 1% /run /dev/sdb iso9660 2.4G 2.4G 0 100% /run/initramfs/omdv /dev/loop0 squashfs 2.3G 2.3G 0 100% /run/initramfs/image /run/initramfs/tmpfs tmpfs 2.9G 135M 2.8G 5% /run/initramfs/tmpfs tmpfs tmpfs 582M 52K 582M 1% /run/user/XXXX tmpfs tmpfs 2.9G 4.0K 2.9G 1% /tmp