Filesystem      1K-blocks      Used  Available Use% Mounted on
/dev/sda1      1948630572  33918404 1817187176   2% /
udev              1467912         4    1467908   1% /dev
tmpfs              590680       868     589812   1% /run
none                 5120         0       5120   0% /run/lock
none              1476696       264    1476432   1% /run/shm
/dev/sdb1       488352764 408770232   79582532  84% /media/My Passport