Filesystem           1K-blocks      Used Available Use% Mounted on
aufs                    511996     53464    458532  11% /
none                    506080       240    505840   1% /dev
/dev/sdb1              1949340    698568   1250772  36% /cdrom
/dev/loop0              676480    676480         0 100% /rofs
none                    511996       112    511884   1% /dev/shm
tmpfs                   511996        24    511972   1% /tmp
none                    511996        92    511904   1% /var/run
none                    511996         0    511996   0% /var/lock
/dev/sr1                  6828      6828         0 100% /media/U3 System
/dev/sda1               101086     21284     74583  23% /media/_boot