Filesystem Type Size Used Avail Use% Mounted on overlay overlay 3.9G 68M 3.8G 2% / tmpfs tmpfs 4.0M 0 4.0M 0% /sys/fs/cgroup devtmpfs devtmpfs 4.0M 0 4.0M 0% /dev tmpfs tmpfs 3.9G 0 3.9G 0% /dev/shm tmpfs tmpfs 1.6G 12M 1.6G 1% /run /dev/sda4 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 3.9G 68M 3.8G 2% /run/initramfs/tmpfs tmpfs tmpfs 784M 48K 784M 1% /run/user/XXXX tmpfs tmpfs 3.9G 8.0K 3.9G 1% /tmp