Filesystem Type Size Used Avail Use% Mounted on udev devtmpfs 1.7G 0 1.7G 0% /dev tmpfs tmpfs 340M 1.7M 339M 1% /run /dev/sdb1 vfat 3.7G 3.7G 0 100% /run/live/persistence/sdb1 /dev/loop0 squashfs 3.2G 3.2G 0 100% /run/live/rootfs/filesystem.squashfs tmpfs tmpfs 1.7G 0 1.7G 0% /run/live/overlay /dev/sdb2 ext3 25G 3.1G 21G 13% /run/live/persistence/sdb2 overlay overlay 25G 3.1G 21G 13% / tmpfs tmpfs 1.7G 0 1.7G 0% /dev/shm tmpfs tmpfs 5.0M 4.0K 5.0M 1% /run/lock tmpfs tmpfs 1.7G 4.0K 1.7G 1% /tmp tmpfs tmpfs 340M 68K 340M 1% /run/user/XXXX /dev/sr1 iso9660 5.5M 5.5M 0 100% /media/XXXXXXXXX CDROM