df -h
Filesystem      Size  Used Avail Use% Mounted on
/dev/sda1       459G   26G  410G   6% /
udev            2.9G  4.0K  2.9G   1% /dev
tmpfs           1.2G  860K  1.2G   1% /run
none            5.0M     0  5.0M   0% /run/lock
none            2.9G  340K  2.9G   1% /run/shm
/dev/sr0        6.8G  6.8G     0 100% /media/DVD_VIDEO
none            2.9G   37M  2.9G   2% /tmp/guest-ryNPWz