Filesystem           1K-blocks      Used Available Use% Mounted on
/dev/sda4              7689788   2574948   4724216  36% /
none                    505488       636    504852   1% /dev
none                    512084       100    511984   1% /dev/shm
none                    512084        96    511988   1% /var/run
none                    512084         0    512084   0% /var/lock
none                   7689788   2574948   4724216  36% /var/lib/ureadahead/debugfs