Filesystem Type Size Used Avail Use% Mounted on tmpfs tmpfs 1.6G 19M 1.6G 2% /run /dev/sdb1 iso9660 3.5G 3.5G 0 100% /cdrom /cow overlay 7.8G 715M 7.1G 9% / /dev/disk/by-label/writable ext4 54G 7.0M 51G 1% /var/log tmpfs tmpfs 7.8G 57M 7.8G 1% /dev/shm tmpfs tmpfs 5.0M 0 5.0M 0% /run/lock XXXXXXXX XXXXXXXX 128K 31K 93K 25% XXXXXXXXXXXXXXXXXXXXXXXXX tmpfs tmpfs 7.8G 108K 7.8G 1% /tmp tmpfs tmpfs 1.6G 188K 1.6G 1% /run/user/XXX