Filesystem Type Size Used Avail Use% Mounted on overlay overlay 2.8G 197M 2.6G 7% / tmpfs tmpfs 4.0M 0 4.0M 0% /sys/fs/cgroup devtmpfs devtmpfs 2.8G 0 2.8G 0% /dev tmpfs tmpfs 2.8G 0 2.8G 0% /dev/shm tmpfs tmpfs 1.1G 12M 1.1G 2% /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 2.8G 197M 2.6G 7% /run/initramfs/tmpfs tmpfs tmpfs 563M 68K 563M 1% /run/user/XXXX tmpfs tmpfs 2.8G 4.0K 2.8G 1% /tmp