Filesystem                         1K-blocks    Used Available Use% Mounted on
/cow                                 3024752  101032   2766744   4% /
/dev                                 1966540       4   1966536   1% /target/dev
/run                                  395576    1060    394516   1% /target/run
/dev/sdb1                           15672336 4192696  11479640  27% /cdrom
/dev/loop0                           1013760 1013760         0 100% /rofs
none                                       4       0         4   0% /sys/fs/cgroup
tmpfs                                1977864      56   1977808   1% /tmp
none                                    5120       8      5112   1% /run/lock
none                                 1977864      84   1977780   1% /run/shm
none                                  102400       0    102400   0% /run/user
/run/udisks2/inhibit-polkit          1977864       4   1977860   1% /var/lib/polkit-1/localauthority/90-mandatory.d
/dev/mapper/ubuntu--gnome--vg-root 476349472 3347396 448781816   1% /target
/dev/sda1                             240972   15140    213391   7% /target/boot