Filesystem      Size  Used Avail Use% Mounted on
udev            3.9G     0  3.9G   0% /dev
tmpfs           792M  9.6M  782M   2% /run
/dev/sdb        1.1G  1.1G     0 100% /cdrom
/dev/loop0      1.1G  1.1G     0 100% /rofs
/cow            3.9G   94M  3.8G   3% /
tmpfs           3.9G   84K  3.9G   1% /dev/shm
tmpfs           5.0M  8.0K  5.0M   1% /run/lock
tmpfs           3.9G     0  3.9G   0% /sys/fs/cgroup
tmpfs           3.9G  4.0K  3.9G   1% /tmp
cgmfs           100K     0  100K   0% /run/cgmanager/fs
tmpfs           792M   96K  792M   1% /run/user/999
/dev/sda2       909G  4.1G  859G   1% /target
/dev/sda1       487M  2.1M  485M   1% /target/boot/efi