Filesystem           1K-blocks Used Available Use% Mounted on
/dev/sda1             28921020   4128072  23323808  16% /
none                    234180       264    233916   1% /dev
none                    238404       428    237976   1% /dev/shm
none                    238404       100    238304   1% /var/run
none                    238404         0    238404   0% /var/lock
none                    238404         0    238404   0% /lib/init/rw
none                  28921020   4128072  23323808  16% /var/lib/ureadahead/debugfs