df -h

df -h
Filesystem            Size  Used Avail Use% Mounted on
/dev/hda1             365M  175M  172M  51% /
/dev/hda3             293G   87G  206G  30% /mnt/hda

root@BuffaloNAS:~# mount
/dev/hda1 on / type ext3 (rw,noatime,errors=remount-ro)
proc on /proc type proc (rw)
devpts on /dev/pts type devpts (rw,gid=5,mode=620)
usbfs on /proc/bus/usb type usbfs (rw)
/dev/hda3 on /mnt/hda type ext3 (rw,noatime)