Filesystem           1K-blocks      Used Available Use% Mounted on
/dev/sda1             18505596   3605096  13960468  21% /
none                    250408       276    250132   1% /dev
none                    254628       372    254256   1% /dev/shm
none                    254628        88    254540   1% /var/run
none                    254628         0    254628   0% /var/lock
none                    254628         0    254628   0% /lib/init/rw
none                  18505596   3605096  13960468  21% /var/lib/ureadahead/debugfs