Filesystem           1K-blocks      Used Available Use% Mounted on
/cow                   1546832    108716   1438116   8% /
udev                   1539496         4   1539492   1% /dev
tmpfs                   618736       836    617900   1% /run
/dev/sdb1             15722476  13521032   2201444  86% /cdrom
/dev/loop0              624512    624512         0 100% /rofs
tmpfs                  1546832        12   1546820   1% /tmp
none                      5120         0      5120   0% /run/lock
none                   1546832         0   1546832   0% /run/shm