Filesystem     1K-blocks    Used Available Use% Mounted on
/cow             4128444 2348796   1569936  60% /
none                   4       0         4   0% /sys/fs/cgroup
udev             1016688       4   1016684   1% /dev
tmpfs            1027868    2380   1025488   1% /tmp
tmpfs             205576     848    204728   1% /run
none                5120       4      5116   1% /run/lock
none             1027868     344   1027524   1% /run/shm
none              102400      32    102368   1% /run/user
/dev/sdb         7547736 5033816   2513920  67% /cdrom
/dev/loop0        776192  776192         0 100% /rofs