Filesystem           1K-blocks      Used Available Use% Mounted on
/dev/sda6             20161172   7603576  11533456  40% /
none                   2538404       744   2537660   1% /dev
none                   2546128       100   2546028   1% /dev/shm
none                   2546128        92   2546036   1% /var/run
none                   2546128         0   2546128   0% /var/lock
none                  20161172   7603576  11533456  40% /var/lib/ureadahead/debugfs