Filesystem     1K-blocks    Used Available Use% Mounted on
udev             6066220       0   6066220   0% /dev
tmpfs            1216172    9736   1206436   1% /run
/dev/sdb1        7833670 2104728   5728942  27% /cdrom
/dev/loop0       1425792 1425792         0 100% /rofs
/cow             6080852  375928   5704924   7% /
tmpfs            6080852     236   6080616   1% /dev/shm
tmpfs               5120       8      5112   1% /run/lock
tmpfs            6080852       0   6080852   0% /sys/fs/cgroup
tmpfs            6080852       4   6080848   1% /tmp
tmpfs            1216172      80   1216092   1% /run/user/999
/dev/sda1      949056652  648648 900175608   1% /target