<s>
Inside	B-Operating_System
Macintosh	I-Operating_System
is	O
the	O
developer	O
documentation	O
published	O
by	O
Apple	O
Computer	O
,	O
documenting	O
the	O
APIs	B-General_Concept
and	O
machine	O
architecture	O
of	O
the	O
Macintosh	B-Device
's	O
classic	B-Application
Mac	I-Application
OS	I-Application
.	O
</s>
<s>
The	O
first	O
Inside	B-Operating_System
Macintosh	I-Operating_System
documentation	O
,	O
for	O
the	O
Mac	B-Device
128K	I-Device
,	O
was	O
distributed	O
in	O
two	O
large	O
binders	O
with	O
photocopied	O
3-hole-punched	O
pages	O
.	O
</s>
<s>
Some	O
of	O
the	O
original	O
sections	O
were	O
written	O
by	O
very	O
early	O
members	O
of	O
the	O
Macintosh	B-Device
group	O
,	O
including	O
Chris	O
Espinosa	O
and	O
Joanna	O
Hoffman	O
.	O
</s>
<s>
It	O
was	O
the	O
official	O
technical	O
documentation	O
for	O
the	O
original	O
Mac	B-Device
128K	I-Device
,	O
the	O
Mac	B-Device
512K	I-Device
(	O
"	O
Fat	B-Device
Mac	I-Device
"	O
)	O
,	O
and	O
Mac	B-Device
XL	I-Device
models	O
.	O
</s>
<s>
In	O
the	O
January	O
27	O
,	O
1986	O
,	O
issue	O
of	O
InfoWorld	O
,	O
columnist	O
John	O
C	O
.	O
Dvorak	O
wrote	O
that	O
the	O
highlight	O
of	O
the	O
Appleworld	O
Conference	O
,	O
for	O
many	O
,	O
was	O
Addison-Wesley	O
’	O
s	O
publication	O
of	O
Inside	B-Operating_System
Macintosh	I-Operating_System
.	O
</s>
<s>
It	O
tells	O
you	O
everything	O
you	O
never	O
wanted	O
know	O
about	O
the	O
Macintosh	B-Device
—	O
a	O
must	O
for	O
any	O
developer.	O
"	O
</s>
<s>
Also	O
in	O
1986	O
,	O
Inside	B-Operating_System
Macintosh	I-Operating_System
Volumes	O
I	O
–	O
III	O
won	O
an	O
Award	O
of	O
Achievement	O
in	O
the	O
Society	O
for	O
Technical	O
Communication	O
's	O
Northern	O
California	O
competition	O
.	O
</s>
<s>
In	O
1988	O
,	O
noted	O
software	O
developer	O
and	O
columnist	O
Stan	O
Krute	O
wrote	O
,	O
"	O
If	O
Pulitzers	O
had	O
a	O
technical	O
writing	O
category	O
,	O
Inside	O
Mac	B-Device
would	O
win	O
a	O
prize	O
.	O
</s>
<s>
Bruce	O
F	O
.	O
Webster	O
in	O
Byte	O
of	O
December	O
1985	O
described	O
Inside	B-Operating_System
Macintosh	I-Operating_System
as	O
"	O
infamous	O
,	O
expensive	O
,	O
and	O
obscure	O
"	O
,	O
but	O
"	O
for	O
anyone	O
wanting	O
to	O
do	O
much	O
with	O
the	O
Mac	B-Device
...	O
the	O
only	O
real	O
 [ printed ] 	O
source	O
of	O
information.	O
"	O
</s>
<s>
He	O
quoted	O
Kathe	O
Spracklen	O
,	O
developer	O
of	O
Sargon	B-Application
,	O
as	O
saying	O
that	O
the	O
book	O
"	O
consists	O
of	O
25	O
chapters	O
,	O
each	O
of	O
which	O
requires	O
that	O
you	O
understand	O
the	O
other	O
24	O
before	O
reading	O
it.	O
"	O
</s>
<s>
A	O
Mac	B-Device
GUI	O
article	O
by	O
Dog	O
Cow	O
quotes	O
Robert	O
C	O
.	O
Platt	O
as	O
saying	O
,	O
"	O
The	O
best	O
guide	O
to	O
the	O
Mac	B-Device
's	O
ROMs	O
is	O
Inside	B-Operating_System
Macintosh	I-Operating_System
.	O
</s>
<s>
Unfortunately	O
,	O
Inside	B-Operating_System
Macintosh	I-Operating_System
is	O
also	O
the	O
most	O
incomprehensible	O
documentation	O
ever	O
written.	O
"	O
</s>
<s>
These	O
versions	O
of	O
Inside	B-Operating_System
Macintosh	I-Operating_System
were	O
subsequently	O
published	O
by	O
Addison-Wesley	O
(	O
with	O
authorship	O
attributed	O
only	O
to	O
Apple	O
Computer	O
in	O
general	O
)	O
:	O
</s>
<s>
Volume	O
IV	O
(	O
October	O
1986	O
)	O
documented	O
the	O
changes	O
to	O
the	O
system	B-Application
software	I-Application
in	O
the	O
Mac	B-Device
Plus	I-Device
,	O
which	O
was	O
introduced	O
in	O
January	O
1986	O
.	O
</s>
<s>
Volume	O
V	O
(	O
February	O
1988	O
)	O
documented	O
the	O
Mac	B-Device
II	I-Device
and	O
Mac	B-Device
SE	I-Device
,	O
which	O
were	O
introduced	O
in	O
1987	O
.	O
</s>
<s>
It	O
discussed	O
Color	O
QuickDraw	B-Operating_System
,	O
as	O
well	O
as	O
the	O
Mac	B-Device
II	I-Device
and	O
Mac	B-Device
SE	I-Device
hardware	O
and	O
other	O
new	O
software	O
components	O
.	O
</s>
<s>
Volume	O
VI	O
(	O
April	O
1991	O
)	O
described	O
System	B-Operating_System
7	I-Operating_System
.	O
</s>
<s>
Shortly	O
after	O
Volume	O
VI	O
was	O
published	O
,	O
Apple	O
revamped	O
the	O
entire	O
Inside	B-Operating_System
Macintosh	I-Operating_System
series	O
,	O
breaking	O
it	O
into	O
volumes	O
according	O
to	O
the	O
functional	O
area	O
discussed	O
,	O
rather	O
than	O
specific	O
machine	O
models	O
or	O
capabilities	O
.	O
</s>
<s>
As	O
new	O
functionality	O
was	O
added	O
to	O
the	O
classic	B-Application
Mac	I-Application
OS	I-Application
,	O
new	O
volumes	O
could	O
be	O
written	O
without	O
invalidating	O
those	O
published	O
earlier	O
—	O
in	O
contrast	O
to	O
the	O
first	O
series	O
,	O
which	O
became	O
increasingly	O
out	O
of	O
date	O
over	O
time	O
.	O
</s>
<s>
In	O
the	O
late	O
1990s	O
,	O
Apple	O
stopped	O
publishing	O
Inside	B-Operating_System
Macintosh	I-Operating_System
as	O
a	O
printed	O
book	O
,	O
instead	O
making	O
it	O
available	O
as	O
a	O
CD-ROM	O
at	O
least	O
since	O
1994	O
,	O
as	O
well	O
as	O
online	O
.	O
</s>
<s>
Since	O
then	O
,	O
the	O
CD	O
variant	O
has	O
been	O
phased	O
out	O
,	O
though	O
Apple	B-Operating_System
developers	I-Operating_System
can	O
still	O
receive	O
online	O
documentation	O
as	O
part	O
of	O
the	O
developer	O
CDs	O
.	O
</s>
<s>
Inside	B-Operating_System
Macintosh	I-Operating_System
covers	O
only	O
the	O
classic	B-Application
Mac	I-Application
OS	I-Application
;	O
a	O
new	O
set	O
of	O
documentation	O
was	O
introduced	O
for	O
Mac	B-Operating_System
OS	I-Operating_System
X	I-Operating_System
.	O
</s>
<s>
Initially	O
this	O
documentation	O
included	O
only	O
the	O
Carbon	B-Operating_System
Specification	O
identifying	O
the	O
APIs	B-General_Concept
that	O
were	O
supported	O
in	O
Carbon	B-Operating_System
and	O
the	O
Cocoa	B-Operating_System
documentation	O
inherited	O
from	O
OpenStep	B-Operating_System
.	O
</s>
<s>
Later	O
,	O
the	O
Carbon	B-Operating_System
Specification	O
was	O
refactored	O
into	O
the	O
Carbon	B-Operating_System
Reference	O
,	O
which	O
actually	O
documented	O
the	O
APIs	B-General_Concept
(	O
taking	O
much	O
content	O
from	O
Inside	B-Operating_System
Macintosh	I-Operating_System
)	O
.	O
</s>
<s>
Today	O
,	O
the	O
Carbon	B-Operating_System
Reference	O
and	O
Cocoa	B-Operating_System
Reference	O
are	O
bundled	O
together	O
in	O
the	O
ADC	B-Operating_System
Reference	O
Library	O
.	O
</s>
