Filesystem     1K-blocks      Used Available Use% Mounted on
/dev/sda1      151904932  83669576  60630008  58% /
udev             2049300         4   2049296   1% /dev
tmpfs             822628      1132    821496   1% /run
none                5120         0      5120   0% /run/lock
none             2056568      4520   2052048   1% /run/shm
/dev/sdb1      156082396 106628500  41639480  72% /mnt/backup