Filesystem Type Size Used Avail Use% Mounted on overlay overlay 3.7G 425M 3.3G 12% / devtmpfs devtmpfs 4.0M 0 4.0M 0% /dev tmpfs tmpfs 3.7G 0 3.7G 0% /dev/shm tmpfs tmpfs 1.5G 12M 1.5G 1% /run /dev/sdb iso9660 2.7G 2.7G 0 100% /run/initramfs/omdv /dev/loop0 squashfs 2.6G 2.6G 0 100% /run/initramfs/image /run/initramfs/tmpfs tmpfs 3.7G 425M 3.3G 12% /run/initramfs/tmpfs tmpfs tmpfs 3.7G 0 3.7G 0% /tmp