Filesystem     1K-blocks    Used Available Use% Mounted on
/cow             4126498  822753   3094081  22% /
udev              499824       4    499820   1% /dev
tmpfs             202984     816    202168   1% /run
/dev/sdb1        7745748 4931016   2814732  64% /cdrom
/dev/loop0        688256  688256         0 100% /rofs
tmpfs             507460      16    507444   1% /tmp
none                5120       0      5120   0% /run/lock
none              507460      80    507380   1% /run/shm