<s>
RBBS-PC	B-Protocol
(	O
acronym	O
for	O
Remote	O
Bulletin	B-Application
Board	I-Application
System	I-Application
for	O
the	O
Personal	O
Computer	O
)	O
was	O
a	O
public	O
domain	O
,	O
open-source	B-Application
BBS	B-Application
software	O
program	O
.	O
</s>
<s>
It	O
supported	O
messaging	O
conferences	O
,	O
questionnaires	O
,	O
doors	B-Protocol
(	O
through	O
the	O
dropfile	B-Protocol
)	O
,	O
and	O
much	O
more	O
.	O
</s>
<s>
In	O
1982	O
,	O
Larry	O
Jordan	O
of	O
the	O
Capital	O
PC	O
Users	O
Group	O
started	O
modifying	O
some	O
existing	O
BBS	B-Application
software	O
that	O
had	O
been	O
ported	O
from	O
CP/M	B-Application
by	O
Russell	O
Lane	O
.	O
</s>
<s>
The	O
first	O
major	O
release	O
of	O
this	O
effort	O
,	O
RBBS-PC	B-Protocol
CPC09	O
,	O
in	O
May	O
1983	O
was	O
written	O
in	O
interpreted	O
BASIC	O
and	O
included	O
the	O
Xmodem	B-Protocol
file	O
transfer	O
protocol	O
added	O
by	O
Jordan	O
.	O
</s>
<s>
From	O
the	O
beginning	O
of	O
RBBS-PC	B-Protocol
'	O
s	O
development	O
,	O
the	O
authors	O
of	O
the	O
software	O
had	O
two	O
goals	O
as	O
stated	O
in	O
the	O
RBBS-PC	B-Protocol
documentation	O
:	O
</s>
