Filesystem Type Size Used Avail Use% Mounted on tmpfs tmpfs 3.1G 11M 3.1G 1% /run /dev/sda1 iso9660 2.8G 2.8G 0 100% /cdrom /cow overlay 16G 235M 16G 2% / /dev/disk/by-label/writable ext4 4.6G 11M 4.3G 1% /var/log tmpfs tmpfs 16G 0 16G 0% /dev/shm tmpfs tmpfs 5.0M 0 5.0M 0% /run/lock tmpfs tmpfs 16G 8.0K 16G 1% /tmp tmpfs tmpfs 3.1G 172K 3.1G 1% /run/user/XXX