<s>
GT	O
Power	O
is	O
a	O
bulletin	B-Application
board	I-Application
system	I-Application
(	O
BBS	O
)	O
and	O
dial-up	O
telecommunications/terminal	O
application	O
for	O
MS-DOS	B-Application
.	O
</s>
<s>
GT	O
Power	O
was	O
a	O
shareware	B-License
package	O
that	O
required	O
a	O
registration	O
fee	O
in	O
order	O
to	O
access	O
its	O
proprietary	B-Application
network	B-Architecture
mail	O
transport/handling	O
software	O
and	O
,	O
by	O
default	O
,	O
the	O
GT	O
Power	O
Network	B-Architecture
.	O
</s>
<s>
Although	O
GT	O
Power	O
was	O
written	O
to	O
run	O
under	O
DOS	O
,	O
it	O
is	O
also	O
quite	O
capable	O
under	O
the	O
Microsoft	B-Application
Windows	I-Application
(	O
versions	O
with	O
DOS	O
support	O
)	O
and	O
OS/2	B-Application
(	O
including	O
eComStation	B-Device
and	O
ArcaOS	B-Device
)	O
operating	B-General_Concept
systems	I-General_Concept
.	O
</s>
<s>
When	O
it	O
is	O
running	O
under	O
OS/2	B-Application
,	O
GT	O
Power	O
can	O
also	O
be	O
used	O
as	O
a	O
telnet	B-Protocol
BBS	O
host	O
and	O
terminal	B-Application
program	I-Application
via	O
use	O
of	O
an	O
OS/2	B-Application
shareware	B-License
virtual	O
modem	B-Application
application	O
called	O
VMODEM	O
.	O
</s>
<s>
GT	O
Power	O
was	O
originally	O
a	O
telecommunications/terminal	O
application	O
,	O
known	O
as	O
GT	B-Protocol
Powercomm	I-Protocol
,	O
which	O
could	O
be	O
used	O
to	O
dial-up	O
other	O
BBS	O
systems	O
.	O
</s>
<s>
As	O
time	O
passed	O
,	O
a	O
host	B-Application
mode	I-Application
was	O
written	O
into	O
the	O
application	O
which	O
allowed	O
the	O
user	O
to	O
accept	O
incoming	B-Application
data	I-Application
calls	O
.	O
</s>
<s>
Before	O
the	O
release	O
of	O
version	O
13.00	O
(	O
released	O
Autumn	O
,	O
1987	O
)	O
,	O
the	O
host	B-Application
mode	I-Application
portion	O
of	O
the	O
application	O
had	O
been	O
expanded	O
to	O
become	O
a	O
full-blown	O
BBS	O
host	O
application	O
,	O
complete	O
with	O
message	O
and	O
file	O
areas	O
,	O
file	O
uploading	B-Application
and	O
downloading	B-Application
,	O
the	O
capability	O
to	O
host	O
BBS	B-Protocol
door	I-Protocol
programs	O
,	O
and	O
a	O
sysop-to-user	O
chat	O
mode	O
.	O
</s>
<s>
With	O
version	O
13.00	O
,	O
P	O
&	O
M	O
software	O
began	O
offering	O
a	O
proprietary	B-Application
Netmail	O
Suite	O
;	O
a	O
set	O
of	O
applications	O
which	O
allow	O
GT	O
Power	O
BBS	O
systems	O
to	O
connect	O
and	O
exchange	O
routed	O
person-to-person	O
netmail	O
.	O
</s>
<s>
In	O
late	O
1999	O
,	O
Berry	O
released	O
a	O
Y2K	B-Error_Name
bug	I-Error_Name
fix	O
for	O
the	O
Netmail	O
Suite	O
.	O
</s>
<s>
A	O
third	O
party	O
Y2K	B-Error_Name
fix	O
for	O
the	O
Suite	O
,	O
as	O
well	O
as	O
other	O
third	B-General_Concept
party	I-General_Concept
companion	I-General_Concept
software	I-General_Concept
,	O
was	O
also	O
released	O
.	O
</s>
<s>
The	O
GT	O
Power	O
application	O
itself	O
appeared	O
to	O
have	O
no	O
Y2K	B-Error_Name
issues	O
,	O
with	O
19.00	O
being	O
the	O
latest	O
release	O
.	O
</s>
<s>
The	O
source	O
code	O
and	O
rights	O
were	O
sold	O
to	O
Tom	O
Watt	O
in	O
June	O
2008	O
and	O
he	O
has	O
resumed	O
development	O
of	O
GT-Power	B-Protocol
.	O
</s>
<s>
ANSI	B-Protocol
and	O
VT-52	B-Application
terminal	B-Application
emulation	I-Application
;	O
</s>
<s>
ANSI	B-Protocol
color	O
graphics	O
and	O
music	O
support	O
that	O
does	O
not	O
require	O
ANSI.SYS	O
(	O
introduced	O
version	O
12.20	O
)	O
;	O
</s>
<s>
built-in	O
file-transfer	B-Protocol
protocols	I-Protocol
,	O
including	O
Xmodem	B-Protocol
,	O
WXmodem	O
,	O
Ymodem	B-Protocol
,	O
SEAlink	B-Protocol
,	O
Telink	O
,	O
&	O
MegaLink	O
;	O
</s>
<s>
support	O
for	O
up	O
to	O
18	O
additional	O
"	O
external	O
"	O
file-transfer	B-Protocol
protocols	I-Protocol
,	O
such	O
as	O
Zmodem	B-Device
and	O
HS/Link	B-Protocol
;	O
</s>
<s>
support	O
for	O
non-standard	O
COM	B-Architecture
ports	I-Architecture
(	O
3-8	O
)	O
,	O
&	O
non-standard	O
IRQs	B-General_Concept
(	O
up	O
to	O
IRQ	B-General_Concept
15	O
)	O
;	O
</s>
<s>
support	O
for	O
300-33.6k	O
baud	O
modems	B-Application
,	O
16550	B-Device
UART	I-Device
,	O
and	O
locked	O
port	O
speeds	O
up	O
to	O
115200	O
;	O
</s>
<s>
DESQview	B-Operating_System
,	O
DoubleDos	O
,	O
Windows	O
,	O
and	O
OS/2	B-Application
aware	O
;	O
</s>
<s>
In	O
addition	O
,	O
the	O
BBS	O
host	B-Application
mode	I-Application
has	O
the	O
following	O
features	O
:	O
</s>
<s>
Built-in	O
QWK	O
mail	O
and	O
QWK	O
networking	O
support	O
(	O
non-proprietary	O
)	O
;	O
</s>
<s>
proprietary	B-Application
Netmail	O
Suite	O
with	O
netmail	O
and	O
echomail	O
support	O
(	O
ver	O
.	O
</s>
<s>
full-screen	O
ANSI	B-Protocol
message	O
editing	O
;	O
</s>
<s>
CD-ROM	B-Device
file	O
area	O
support	O
;	O
</s>
<s>
FILE.DIZ	O
support	O
for	O
file	B-Application
uploads	I-Application
;	O
</s>
<s>
multinode	O
capable	O
,	O
on	O
a	O
network	B-Architecture
or	O
under	O
multitasking	B-Operating_System
software	O
,	O
such	O
as	O
DESQview	B-Operating_System
or	O
OS/2	B-Application
;	O
</s>
<s>
support	O
for	O
up	O
to	O
999	O
external	O
BBS	B-Protocol
door	I-Protocol
programs	O
(	O
ver	O
.	O
</s>
<s>
user-configurable	O
automatic	O
virus	B-Application
scan	I-Application
of	O
uploaded	B-Application
files	O
;	O
</s>
<s>
the	O
ability	O
to	O
set	O
up	O
"	O
freebie	O
"	O
file	O
downloads	B-Application
and	O
file	O
areas	O
;	O
</s>
<s>
Other	O
features	O
can	O
be	O
added	O
via	O
the	O
use	O
of	O
third-party	B-General_Concept
software	I-General_Concept
and	O
add-ons	O
.	O
</s>
<s>
GT	O
Power	O
also	O
has	O
the	O
undocumented	B-General_Concept
feature	I-General_Concept
of	O
telnet	B-Protocol
compatibility	O
,	O
in	O
both	O
BBS	O
host	O
and	O
terminal	O
mode	O
,	O
when	O
used	O
with	O
a	O
virtual	O
modem	B-Application
software	O
package	O
called	O
VMODEM	O
under	O
the	O
OS/2	B-Application
,	O
eComStation	B-Device
and	O
ArcaOS	B-Device
operating	B-General_Concept
systems	I-General_Concept
.	O
</s>
<s>
Many	O
third	B-General_Concept
party	I-General_Concept
software	I-General_Concept
packages	I-General_Concept
were	O
developed	O
to	O
support	O
the	O
GT	O
Power	O
BBS	O
.	O
</s>
<s>
Early	O
distributions	O
of	O
GT	O
Power	O
included	O
a	O
third	B-General_Concept
party	I-General_Concept
application	I-General_Concept
called	O
GTCTL	O
,	O
written	O
by	O
James	O
Davis	O
,	O
followed	O
later	O
by	O
Sysop	O
Tools	O
,	O
written	O
by	O
Chris	O
Smith	O
.	O
</s>
<s>
Unlike	O
SYSOP	O
,	O
Sysop	O
Tools	O
had	O
an	O
ANSI-style	O
DOS	O
graphic	O
user	O
interface	O
.	O
</s>
<s>
Other	O
third-party	B-General_Concept
software	I-General_Concept
includes	O
:	O
</s>
<s>
Command	O
line/batch	O
file	O
applications	O
which	O
allow	O
GT	O
Power	O
systems	O
to	O
participate	O
in	O
Fidonet	O
,	O
RIME	B-Application
,	O
and	O
QWK	O
networking	O
;	O
</s>
<s>
applications	O
which	O
create	O
popular	O
door	O
drop	O
file	O
formats	O
,	O
such	O
as	O
DOORINF	O
and	O
DOOR.SYS	O
,	O
allowing	O
GT	O
Power	O
systems	O
access	O
to	O
more	O
BBS	B-Protocol
door	I-Protocol
software	O
;	O
</s>
<s>
an	O
interface	O
which	O
allowed	O
earlier	O
GT	O
Power	O
systems	O
to	O
run	O
the	O
PCBoard	B-Protocol
door	O
Prodoor	O
;	O
</s>
<s>
applications	O
which	O
allow	O
GT	O
Power	O
systems	O
to	O
add	O
Usenet	B-Application
newsgroups	I-Application
and	O
Internet	O
e-mail	O
capability	O
;	O
</s>
<s>
A	O
third-party	O
mail	O
transfer	O
program	O
,	O
called	O
Mailrun	O
,	O
was	O
developed	O
which	O
allows	O
GT	O
Power	O
Network	B-Architecture
systems	O
to	O
transfer	O
mail	O
using	O
the	O
bi-directional	O
HS/Link	B-Protocol
protocol	O
.	O
</s>
<s>
This	O
program	O
can	O
be	O
used	O
as	O
a	O
replacement	O
for	O
the	O
proprietary	B-Application
MDRIVer	O
program	O
,	O
but	O
requires	O
the	O
use	O
of	O
the	O
proprietary	B-Application
MBAGger	O
&	O
MDIST	O
programs	O
.	O
</s>
<s>
Mailrun	O
is	O
freeware	B-License
,	O
but	O
does	O
require	O
a	O
free	O
key	O
code	O
from	O
the	O
developer	O
in	O
order	O
to	O
connect	O
with	O
other	O
systems	O
.	O
</s>
<s>
It	O
was	O
developed	O
by	O
James	O
Davis	O
,	O
who	O
had	O
previously	O
worked	O
with	O
Meiners	O
in	O
developing	O
the	O
proprietary	B-Application
suite	O
.	O
</s>
<s>
It	O
could	O
be	O
used	O
as	O
a	O
replacement	O
for	O
the	O
proprietary	B-Application
MBAGger	O
&	O
MDIST	O
programs	O
,	O
but	O
did	O
not	O
replace	O
the	O
MDRIVer	O
program	O
.	O
</s>
<s>
The	O
last	O
few	O
releases	O
of	O
JDMAL	O
,	O
versions	O
8.1	O
and	O
later	O
,	O
were	O
freeware	B-License
,	O
and	O
were	O
compatible	O
with	O
GT	O
Power	O
versions	O
13.00	O
through	O
14.03	O
.	O
</s>
<s>
As	O
the	O
GT	O
Power	O
software	O
application	O
evolved	O
to	O
include	O
a	O
BBS	O
host	B-Application
mode	I-Application
,	O
P	O
&	O
M	O
Software	O
developed	O
a	O
Netmail	O
Suite	O
package	O
which	O
allowed	O
registered	O
users	O
of	O
GT	O
Power	O
to	O
participate	O
in	O
the	O
GT	O
Power	O
Network	B-Architecture
.	O
</s>
<s>
As	O
use	O
of	O
GT	O
Power	O
increased	O
,	O
the	O
network	B-Architecture
grew	O
.	O
</s>
<s>
At	O
various	O
times	O
during	O
the	O
late	O
1980s/early	O
1990s	O
,	O
the	O
Network	B-Architecture
included	O
hundreds	O
of	O
nodes	O
in	O
the	O
continental	O
United	O
States	O
,	O
Canada	O
,	O
Hawaii	O
,	O
China	O
,	O
Australia	O
,	O
New	O
Zealand	O
,	O
Bermuda	O
,	O
the	O
Caribbean	O
and	O
much	O
of	O
Europe	O
.	O
</s>
<s>
The	O
proprietary	B-Application
nature	O
of	O
the	O
networking	B-Architecture
software	I-Architecture
,	O
combined	O
with	O
the	O
lack	O
of	O
easy-to-configure	O
built-in	O
support	O
for	O
other	O
networking	O
methods	O
,	O
has	O
held	O
the	O
number	O
of	O
nodes	O
below	O
those	O
found	O
on	O
Fidonet	O
.	O
</s>
<s>
Like	O
Fidonet	O
,	O
the	O
GT	O
Power	O
Network	B-Architecture
offered	O
both	O
netmail	O
and	O
echomail	O
.	O
</s>
<s>
Where	O
netmail	O
is	O
usually	O
system-to-system	O
,	O
person-to-person	O
mail	O
,	O
echomail	O
was	O
intended	O
to	O
be	O
read	O
&	O
possibly	O
replied	O
to	O
by	O
users	O
on	O
all	O
GT	O
Power	O
Network	B-Architecture
BBS	O
systems	O
.	O
</s>
<s>
Each	O
echo	O
had	O
a	O
different	O
topic	O
,	O
such	O
as	O
politics	O
,	O
computer	O
technical	O
support	O
,	O
and	O
ANSI	B-Protocol
art	I-Protocol
.	O
</s>
<s>
The	O
GT	O
Power	O
Network	B-Architecture
's	O
application	O
of	O
echomail	O
was	O
different	O
from	O
Fidonet	O
in	O
that	O
echomail	O
messages	O
traveled	O
back	O
to	O
the	O
moderator	O
's	O
(	O
or	O
"	O
sponsor	O
's	O
"	O
)	O
BBS	O
before	O
being	O
distributed	O
to	O
the	O
rest	O
of	O
the	O
network	B-Architecture
.	O
</s>
<s>
This	O
had	O
the	O
advantage	O
of	O
allowing	O
the	O
moderator	O
to	O
review	O
every	O
message	O
before	O
it	O
was	O
allowed	O
to	O
echo	O
to	O
the	O
rest	O
of	O
the	O
network	B-Architecture
,	O
creating	O
the	O
potential	O
for	O
a	O
truly	O
moderated	O
echo	O
conference	O
.	O
</s>
<s>
On	O
the	O
downside	O
,	O
a	O
slight	O
disruption	O
in	O
network	B-Architecture
routing	O
could	O
cause	O
active	O
echos	O
to	O
appear	O
quite	O
stale	O
.	O
</s>
<s>
Around	O
the	O
beginning	O
of	O
1990	O
,	O
there	O
was	O
a	O
rift	O
in	O
the	O
GT	O
Power	O
Network	B-Architecture
,	O
resulting	O
in	O
the	O
formation	O
of	O
a	O
second	O
network	B-Architecture
based	O
on	O
GT	O
Power	O
.	O
</s>
<s>
The	O
Alliance	O
of	O
Free	O
Sysops	O
Network	B-Architecture
,	O
or	O
AFSN	O
,	O
was	O
formed	O
,	O
with	O
some	O
GT	O
Power	O
sysops	O
finding	O
ways	O
to	O
participate	O
in	O
both	O
networks	O
.	O
</s>
<s>
By	O
1992	O
,	O
as	O
AFSN	O
sysops	O
began	O
migrating	O
to	O
other	O
BBS	B-Protocol
software	I-Protocol
,	O
the	O
network	B-Architecture
had	O
expanded	O
to	O
include	O
both	O
GT	O
Power	O
and	O
QWK	O
networking	O
nodes	O
,	O
some	O
of	O
which	O
had	O
never	O
run	O
GT	O
Power	O
software	O
.	O
</s>
<s>
The	O
AFSN	O
either	O
folded	O
,	O
or	O
merged	O
with	O
another	O
QWK	O
network	B-Architecture
,	O
sometime	O
in	O
the	O
late	O
1990s	O
.	O
</s>
<s>
Like	O
many	O
other	O
BBS	O
networks	O
,	O
as	O
use	O
of	O
the	O
Internet	O
increased	O
,	O
the	O
GT	O
Power	O
network	B-Architecture
began	O
a	O
decline	O
.	O
</s>
<s>
Today	O
,	O
the	O
GT	O
Power	O
Network	B-Architecture
continues	O
on	O
,	O
albeit	O
on	O
a	O
much	O
smaller	O
scale	O
than	O
before	O
.	O
</s>
<s>
Many	O
nodes	O
on	O
the	O
network	B-Architecture
today	O
participate	O
in	O
echomail	O
via	O
QWK	O
networking	O
as	O
the	O
former	O
GT	O
Power	O
sysops	O
have	O
migrated	O
to	O
Windows	O
and	O
Linux	B-Application
native	O
BBS	O
applications	O
.	O
</s>
<s>
These	O
other	O
applications	O
do	O
not	O
support	O
the	O
GT	O
Power	O
proprietary	B-Application
mail	O
programs	O
.	O
</s>
<s>
Nearly	O
all	O
of	O
the	O
remaining	O
GT	O
Power	O
Network	B-Architecture
BBS	O
systems	O
have	O
replaced	O
their	O
dial-up	O
networking	O
with	O
forms	O
of	O
mail	O
transfer	O
that	O
take	O
advantage	O
of	O
the	O
Internet	O
,	O
by	O
using	O
either	O
e-mail	O
file	O
attachments	O
or	O
some	O
form	O
of	O
automated	O
ftp	B-Protocol
.	O
</s>
<s>
The	O
Capitol	O
City	O
Online	O
BBS	O
,	O
which	O
has	O
been	O
online	O
for	O
over	O
20	O
years	O
,	O
currently	O
offers	O
both	O
dial-up	O
and	O
telnet	B-Protocol
access	O
to	O
its	O
callers	O
.	O
</s>
