Filesystem Type Size Used Avail Use% Mounted on udev devtmpfs 2.8G 4.0K 2.8G 1% /dev tmpfs tmpfs 580M 1.7M 579M 1% /run /dev/sdb1 fuseblk 29G 3.0G 26G 11% /cdrom /dev/loop0 squashfs 2.2G 2.2G 0 100% /rofs /cow overlay 2.9G 2.0G 912M 69% / tmpfs tmpfs 2.9G 0 2.9G 0% /dev/shm tmpfs tmpfs 5.0M 0 5.0M 0% /run/lock tmpfs tmpfs 2.9G 0 2.9G 0% /sys/fs/cgroup tmpfs tmpfs 2.9G 512K 2.9G 1% /tmp tmpfs tmpfs 580M 136K 580M 1% /run/user/XXX /dev/sr1 iso9660 2.0M 2.0M 0 100% /media/XXXXXXXXXXXXXX