Filesystem     1K-blocks      Used Available Use% Mounted on
/dev/sda1       91801756  22435660  64768900  26% /
udev              890316        12    890304   1% /dev
tmpfs             360316       936    359380   1% /run
none                5120         0      5120   0% /run/lock
none              900784       248    900536   1% /run/shm
/dev/sdb1      488375968 167080452 321295516  35% /media/MyBook