# df -H
Filesystem       Size    Used   Avail Capacity  Mounted on
/dev/md0          41M     40M    1.2M    97%    /
devfs            1.0k    1.0k      0B   100%    /dev
/dev/gvinum/1    969G    4.1k    891G     0%    /mnt/1
/dev/ad0a         20M     20M    446k    98%    /cf