Filesystem           1K-blocks      Used Available Use% Mounted on
aufs                    507404    104212    403192  21% /
none                    502504       288    502216   1% /dev
/dev/sdb               2006560    722784   1283776  37% /cdrom
/dev/loop0              675328    675328         0 100% /rofs
none                    507404       168    507236   1% /dev/shm
tmpfs                   507404        20    507384   1% /tmp
none                    507404        88    507316   1% /var/run
none                    507404         0    507404   0% /var/lock
none                    507404         0    507404   0% /lib/init/rw