Filesystem           1K-blocks      Used Available Use% Mounted on
/dev/sda1             40370192   3477312  34842188  10% /
none                   4084136       752   4083384   1% /dev
none                   4091972       136   4091836   1% /dev/shm
none                   4091972       116   4091856   1% /var/run
none                   4091972         0   4091972   0% /var/lock
/dev/sda4             59094256    496704  58597552   1% /mnt/gentoo