Someone

home# df
Filesystem  1K-blocks    Used    Avail Capacity  Mounted on
/dev/ad0s1a    507630  131750   335270    28%    /
devfs               1       1        0   100%    /dev
/dev/ad0s1e    507630      10   467010     0%    /tmp
/dev/ad0s1f  17021862 4975754 10684360    32%    /usr
/dev/ad0s1d   1119694  599500   430620    58%    /var
linprocfs           4       4        0   100%    /usr/compat/linux/proc
devfs               1       1        0   100%    /var/named/dev