Filesystem Type Size Used Avail Use% Mounted on overlay overlay 3.8G 304M 3.5G 8% / tmpfs tmpfs 4.0M 0 4.0M 0% /sys/fs/cgroup devtmpfs devtmpfs 4.0M 0 4.0M 0% /dev tmpfs tmpfs 3.8G 17M 3.8G 1% /dev/shm tmpfs tmpfs 1.5G 12M 1.5G 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 3.8G 304M 3.5G 8% /run/initramfs/tmpfs tmpfs tmpfs 765M 56K 765M 1% /run/user/XXXX tmpfs tmpfs 3.8G 32K 3.8G 1% /tmp