$ df -k
Filesystem        kbytes    used   avail capacity  Mounted on
/dev/dsk/c0t3d0s0   192807   19980  153547    12%    /
/dev/dsk/c0t3d0s6   384871  184385  162006    54%    /usr
/proc                    0       0       0     0%    /proc
fd                       0       0       0     0%    /dev/fd
/dev/dsk/c0t3d0s5   192807   54502  119025    32%    /opt
swap                184672     200  184472     1%    /tmp