Filesystem           1K-blocks      Used Available Use% Mounted on
/dev/sda1             42995140  16896076  23915032  42% /
none                    638392       264    638128   1% /dev
none                    642604       100    642504   1% /dev/shm
none                    642604       196    642408   1% /var/run
none                    642604         0    642604   0% /var/lock
none                    642604         0    642604   0% /lib/init/rw
none                  42995140  16896076  23915032  42% /var/lib/ureadahead/debugfs