Filesystem           1K-blocks      Used Available Use% Mounted on
/cow                   3123528   1127056   1835244  39% /
udev                    496736         4    496732   1% /dev
tmpfs                   201832       728    201104   1% /run
/dev/sda1              3931092   3931092         0 100% /cdrom
/dev/loop0              664704    664704         0 100% /rofs
tmpfs                   504572        44    504528   1% /tmp
none                      5120         0      5120   0% /run/lock
none                    504572       136    504436   1% /run/shm