Filesystem           1K-blocks      Used Available Use% Mounted on
/dev/sda1              6860784   3316828   3195440  51% /
none                    502140       300    501840   1% /dev
none                    508968       100    508868   1% /dev/shm
none                    508968        68    508900   1% /var/run
none                    508968         0    508968   0% /var/lock
none                    508968         0    508968   0% /lib/init/rw
/dev/sda5              8649992     13192   8197404   1% /home
/dev/sdb1              3299896       148   3132120   1% /usr/local
/dev/sdb5               547947    102994    415718  20% /opt