<s>
The	O
Knowbot	B-Protocol
Information	I-Protocol
Service	I-Protocol
(	O
KIS	O
)	O
,	O
also	O
known	O
as	O
netaddress	B-Protocol
,	O
is	O
an	O
Internet	O
user	O
search	B-Application
engine	I-Application
that	O
debuted	O
in	O
December	O
1989	O
.	O
</s>
<s>
Although	O
it	O
searched	O
users	O
,	O
not	O
content	O
,	O
it	O
could	O
be	O
argued	O
to	O
be	O
the	O
first	O
search	B-Application
engine	I-Application
on	O
the	O
Internet	O
as	O
it	O
queried	O
more	O
than	O
a	O
single	O
network	O
for	O
information	O
.	O
</s>
<s>
It	O
provided	O
a	O
uniform	O
user	O
interface	O
to	O
a	O
variety	O
of	O
remote	O
directory	O
services	O
such	O
as	O
whois	B-Protocol
,	O
finger	B-Application
,	O
X.500	B-Protocol
,	O
and	O
MCI	O
Mail	O
.	O
</s>
<s>
There	O
are	O
several	O
interfaces	O
to	O
the	O
KIS	O
service	O
including	O
e-mail	O
and	O
telnet	B-Protocol
.	O
</s>
<s>
Another	O
KIS	O
interface	O
imitates	O
the	O
Berkeley	O
whois	B-Protocol
command	O
.	O
</s>
<s>
Interactions	O
between	O
the	O
two	O
modules	O
can	O
be	O
via	O
messages	O
between	O
knowbots	B-Protocol
or	O
by	O
actual	O
movement	O
of	O
knowbots	B-Protocol
.	O
</s>
