Filesystem Type Size Used Avail Use% Mounted on overlay overlay 20G 65M 20G 1% / devtmpfs devtmpfs 4.0M 0 4.0M 0% /dev tmpfs tmpfs 20G 12M 20G 1% /dev/shm tmpfs tmpfs 7.9G 9.6M 7.9G 1% /run /dev/sda iso9660 2.6G 2.6G 0 100% /run/initramfs/omdv /dev/loop0 squashfs 2.5G 2.5G 0 100% /run/initramfs/image /run/initramfs/tmpfs tmpfs 20G 65M 20G 1% /run/initramfs/tmpfs tmpfs tmpfs 4.0G 68K 4.0G 1% /run/user/XXXX tmpfs tmpfs 20G 40K 20G 1% /tmp