<s>
IBM	O
has	O
offered	O
COBOL	B-Application
on	O
many	O
platforms	O
,	O
starting	O
with	O
the	O
IBM	B-Device
1400	I-Device
series	I-Device
and	O
IBM	B-Device
7000	I-Device
series	I-Device
,	O
continuing	O
into	O
the	O
industry-dominant	O
IBM	B-Application
System/360	I-Application
and	O
IBM	B-Device
System/370	I-Device
mainframe	O
systems	O
,	O
and	O
then	O
through	O
Power	B-Device
Systems	I-Device
(	O
AIX	B-Application
)	O
and	O
IBM	B-Device
Z	I-Device
(	O
z/OS	B-Application
,	O
z/VSE	B-Application
,	O
z/VSE	B-Application
)	O
.	O
</s>
<s>
At	O
the	O
height	O
of	O
COBOL	B-Application
usage	O
in	O
the	O
1960s	O
through	O
1980s	O
,	O
the	O
IBM	B-Language
COBOL	I-Language
product	O
was	O
the	O
most	O
important	O
of	O
any	O
industry	O
COBOL	B-Application
compilers	O
.	O
</s>
<s>
In	O
his	O
popular	O
textbook	O
A	O
Simplified	O
Guide	O
to	O
Structured	O
COBOL	B-Application
Programming	O
,	O
Daniel	O
D	O
.	O
McCracken	O
tries	O
to	O
make	O
the	O
treatment	O
general	O
for	O
any	O
machine	O
and	O
compiler	O
,	O
but	O
when	O
he	O
gives	O
details	O
for	O
a	O
particular	O
one	O
,	O
they	O
are	O
to	O
the	O
IBM	B-Language
COBOL	I-Language
compiler	O
and	O
for	O
a	O
System/370	B-Device
.	O
</s>
<s>
Similarly	O
,	O
another	O
popular	O
textbook	O
of	O
the	O
time	O
,	O
Stern	O
and	O
Stern	O
's	O
Structured	O
COBOL	B-Application
Programming	O
,	O
tries	O
to	O
present	O
an	O
implementation-independent	O
explanation	O
of	O
the	O
language	O
,	O
but	O
the	O
appendix	O
giving	O
the	O
full	O
syntax	O
of	O
the	O
language	O
is	O
explicitly	O
for	O
IBM	B-Language
COBOL	I-Language
,	O
with	O
its	O
extensions	O
to	O
the	O
language	O
highlighted	O
.	O
</s>
<s>
Use	O
of	O
IBM	B-Language
COBOL	I-Language
was	O
so	O
widespread	O
that	O
Capex	O
Corporation	O
,	O
an	O
independent	O
software	O
vendor	O
,	O
made	O
a	O
post-code	O
generation	O
phase	O
object	O
code	O
optimizer	O
for	O
it	O
.	O
</s>
<s>
Although	O
the	O
IBM	B-Language
COBOL	I-Language
Compiler	O
Family	O
web	O
site	O
only	O
mentions	O
AIX	B-Application
and	O
z/OS	B-Application
,	O
IBM	O
still	O
offers	O
COBOL	B-Application
on	O
z/VM	O
and	O
z/VSE	B-Application
.	O
</s>
<s>
The	O
current	O
IBM	B-Language
COBOL	I-Language
compiler	O
family	O
consists	O
of	O
the	O
following	O
products	O
:	O
</s>
<s>
(	O
Year-Month-Day	O
)	O
OS	O
COBOL	B-Application
E360S-C0-503	O
?	O
</s>
<s>
?	O
OS	O
COBOL	B-Application
F360S-CB-524	O
?	O
</s>
<s>
?	O
OS	O
American	O
National	O
Standard	O
COBOL	B-Application
(	O
COBOL	B-Application
U	O
)	O
Versions	O
1-2360S-CB-545	O
?	O
</s>
<s>
?	O
OS/VS	O
COBOLVersion	O
1	O
Release	O
2	O
Modification	O
35740-CB11974-09-231999-12-31OS/VS	O
COBOLVersion	O
1	O
Release	O
2	O
Modification	O
45740-CB11976-09-231999-12-31VS	O
COBOL	B-Application
IIVersion	O
1	O
Release	O
35668-9581988-12-161996-06-30VS	O
COBOL	B-Application
IIVersion	O
1	O
Release	O
45668-9581993-03-122001-03-31COBOL/370Version	O
1	O
Release	O
15688-1971991-12-201997-09-30COBOL	O
for	O
MVS	O
&	O
VMVersion	O
1	O
Release	O
25688-1971995-10-272001-12-31COBOL	O
for	O
OS/390	O
&	O
VMVersion	O
2	O
Release	O
15648-A251997-05-232004-12-31COBOL	O
for	O
OS/390	O
&	O
VMVersion	O
2	O
Release	O
25648-A252000-09-292004-12-31Enterprise	O
COBOL	B-Application
for	O
z/OSVersion	O
3	O
Release	O
15655-G532001-11-302004-04-04Enterprise	O
COBOL	B-Application
for	O
z/OSVersion	O
3	O
Release	O
25655-G532002-09-272005-10-03Enterprise	O
COBOL	B-Application
for	O
z/OSVersion	O
3	O
Release	O
35655-G532004-02-272007-04-30Enterprise	O
COBOL	B-Application
for	O
z/OSVersion	O
3	O
Release	O
45655-G532005-07-012015-04-30Enterprise	O
COBOL	B-Application
for	O
z/OSVersion	O
4	O
Release	O
15655-S712007-12-142014-04-30Enterprise	O
COBOL	B-Application
for	O
z/OSVersion	O
4	O
Release	O
25655-S712009-08-282022-04-30Enterprise	O
COBOL	B-Application
for	O
z/OSVersion	O
5	O
Release	O
15655-W322013-06-212020-04-30Enterprise	O
COBOL	B-Application
for	O
z/OSVersion	O
5	O
Release	O
25655-W322015-02-272020-04-30Enterprise	O
COBOL	B-Application
Value	O
Unit	O
Edition	O
for	O
z/OS1Version	O
5	O
Release	O
25697-ECV2015-10-062020-04-30Enterprise	O
COBOL	B-Application
for	O
z/OSVersion	O
6	O
Release	O
15655-EC62016-03-182022-09-30Enterprise	O
COBOL	B-Application
Value	O
Unit	O
Edition	O
for	O
z/OS1Version	O
6	O
Release	O
15697-V612016-03-182022-09-30Enterprise	O
COBOL	B-Application
for	O
z/OSVersion	O
6	O
Release	O
25655-EC62017-09-08Not	O
announced	O
yetEnterprise	O
COBOL	B-Application
Value	O
Unit	O
Edition	O
for	O
z/OS1Version	O
6	O
Release	O
25697-V612017-09-08Not	O
announced	O
yetEnterprise	O
COBOL	B-Application
for	O
z/OSVersion	O
6	O
Release	O
35655-EC62019-09-06Not	O
announced	O
yetEnterprise	O
COBOL	B-Application
Value	O
Unit	O
Edition	O
for	O
z/OS1Version	O
6	O
Release	O
35697-V612019-09-06Not	O
announced	O
yetEnterprise	O
COBOL	B-Application
for	O
z/OSVersion	O
6	O
Release	O
45655-EC62022-05-27Not	O
announced	O
yetEnterprise	O
COBOL	B-Application
Value	O
Unit	O
Edition	O
for	O
z/OS1Version	O
6	O
Release	O
45697-V612022-05-27Not	O
announced	O
yetCOBOL	O
for	O
Linux	O
on	O
x86Version	O
1	O
Release	O
15737-L112021-04-16Not	O
announced	O
yetNote	O
:	O
</s>
<s>
Enterprise	O
COBOL	B-Application
Value	O
Unit	O
Edition	O
for	O
z/OS	B-Application
is	O
the	O
same	O
as	O
Enterprise	O
COBOL	B-Application
for	O
z/OS	B-Application
made	O
available	O
under	O
a	O
different	O
product	O
number	O
and	O
pricing	O
metric	O
.	O
</s>
<s>
Check	O
the	O
(	O
lifecycle	O
dates	O
,	O
announcement	O
letters	O
,	O
and	O
other	O
information	O
)	O
for	O
Enterprise	O
COBOL	B-Application
for	O
z/OS	B-Application
products	O
.	O
</s>
