<s>
The	O
IBM	B-Application
Type-III	I-Application
Library	I-Application
(	O
also	O
:	O
Type-III	B-Application
software	I-Application
,	O
Type-III	B-Application
product	I-Application
)	O
was	O
software	O
provided	O
by	O
IBM	O
to	O
its	O
customers	O
,	O
available	O
without	O
charge	O
,	O
liability	O
,	O
or	O
support	O
,	O
and	O
typically	O
(	O
perhaps	O
always	O
)	O
in	O
source-code	O
format	O
.	O
</s>
<s>
The	O
best	O
known	O
examples	O
are	O
for	O
mainframe	B-Architecture
software	O
,	O
but	O
IBM	O
also	O
used	O
this	O
same	O
classification	O
on	O
smaller	O
systems	O
.	O
</s>
<s>
Source	O
distribution	O
of	O
the	O
VM	B-Application
family	O
of	O
operating	O
systems	O
continued	O
for	O
several	O
decades	O
after	O
it	O
supplanted	O
CP/CMS	B-Application
from	O
the	O
Type-III	O
Library	O
,	O
and	O
TPF	B-Operating_System
was	O
always	O
distributed	O
in	O
source	O
form	O
,	O
apparently	O
continued	O
today	O
with	O
z/TPF	B-Operating_System
.	O
</s>
<s>
Unlike	O
Type-III	B-Application
software	I-Application
,	O
such	O
systems	O
were	O
supported	O
by	O
IBM	O
.	O
</s>
<s>
During	O
the	O
mainframe	B-Architecture
era	O
,	O
IBM	O
made	O
a	O
wide	O
variety	O
of	O
programs	O
available	O
to	O
its	O
customers	O
.	O
</s>
<s>
An	O
IBM	O
publication	O
on	O
CP/CMS	B-Application
characterized	O
IBM	O
's	O
Type-III	B-Application
products	I-Application
as	O
"	O
IBM	O
employee	O
contributed	O
"	O
and	O
further	O
characterized	O
them	O
as	O
follows	O
:	O
</s>
