<s>
TempleOS	O
(	O
formerly	O
J	O
Operating	B-General_Concept
System	I-General_Concept
,	O
LoseThos	O
,	O
and	O
SparrowOS	O
)	O
is	O
a	O
biblical-themed	O
lightweight	O
operating	B-General_Concept
system	I-General_Concept
(	O
OS	O
)	O
designed	O
to	O
be	O
the	O
Third	O
Temple	O
prophesied	O
in	O
the	O
Bible	O
.	O
</s>
<s>
The	O
system	O
was	O
characterized	O
as	O
a	O
modern	O
x86-64	B-Device
Commodore	O
64	O
,	O
using	O
an	O
interface	O
similar	O
to	O
a	O
mixture	O
of	O
DOS	B-Device
and	O
Turbo	B-Application
C	I-Application
.	O
Davis	O
proclaimed	O
that	O
the	O
system	O
's	O
features	O
,	O
such	O
as	O
its	O
640x480	O
resolution	O
,	O
16-color	O
display	O
,	O
and	O
single-voice	O
audio	O
,	O
were	O
designed	O
according	O
to	O
explicit	O
instructions	O
from	O
God	O
.	O
</s>
<s>
It	O
was	O
programmed	O
with	O
an	O
original	O
variation	O
of	O
C	B-Language
(	O
named	O
HolyC	B-Language
)	O
in	O
place	O
of	O
BASIC	O
,	O
and	O
included	O
an	O
original	O
flight	B-Application
simulator	I-Application
,	O
compiler	B-Language
,	O
and	O
kernel	B-Operating_System
.	O
</s>
<s>
First	O
released	O
in	O
2005	O
as	O
J	O
Operating	B-General_Concept
System	I-General_Concept
,	O
TempleOS	O
was	O
renamed	O
in	O
2013	O
and	O
was	O
last	O
updated	O
in	O
2018	O
.	O
</s>
<s>
Initially	O
diagnosed	O
with	O
bipolar	O
disorder	O
,	O
he	O
was	O
later	O
declared	O
schizophrenic	B-Application
and	O
remained	O
unemployed	O
for	O
the	O
rest	O
of	O
his	O
life	O
.	O
</s>
<s>
After	O
experiencing	O
a	O
self-described	O
"	O
revelation	O
"	O
,	O
he	O
proclaimed	O
that	O
he	O
was	O
in	O
direct	O
communication	O
with	O
God	O
,	O
and	O
that	O
God	O
told	O
him	O
the	O
operating	B-General_Concept
system	I-General_Concept
was	O
for	O
God	O
's	O
third	O
temple	O
.	O
</s>
<s>
One	O
of	O
its	O
early	O
names	O
was	O
the	O
"	O
J	O
Operating	B-General_Concept
System	I-General_Concept
"	O
before	O
renaming	O
it	O
to	O
"	O
LoseThos	O
"	O
,	O
a	O
reference	O
to	O
a	O
scene	O
from	O
the	O
1986	O
film	O
Platoon	O
.	O
</s>
<s>
TempleOS	O
is	O
a	O
64-bit	O
,	O
non-preemptive	B-Operating_System
multi-tasking	I-Operating_System
,	O
multi-cored	B-Architecture
,	O
public	O
domain	O
,	O
open	B-Application
source	I-Application
,	O
ring-0-only	O
,	O
single	B-Operating_System
address	I-Operating_System
space	I-Operating_System
,	O
non-networked	O
,	O
PC	O
operating	B-General_Concept
system	I-General_Concept
for	O
recreational	O
programming	O
.	O
</s>
<s>
The	O
OS	O
runs	O
8-bit	O
ASCII	B-Protocol
with	O
graphics	O
in	O
source	O
code	O
and	O
has	O
a	O
2D	O
and	O
3D	O
graphics	B-Library
library	I-Library
,	O
which	O
run	O
at	O
640x480	O
VGA	B-Protocol
with	O
16	O
colors	O
.	O
</s>
<s>
Like	O
most	O
modern	O
operating	B-General_Concept
systems	I-General_Concept
,	O
it	O
has	O
keyboard	O
and	O
mouse	O
support	O
.	O
</s>
<s>
It	O
supports	O
ISO	B-Application
9660	I-Application
,	O
FAT32	O
and	O
RedSea	O
file	B-Application
systems	I-Application
(	O
the	O
latter	O
created	O
by	O
Davis	O
)	O
with	O
support	O
for	O
file	O
compression	O
.	O
</s>
<s>
The	O
operating	B-General_Concept
system	I-General_Concept
includes	O
an	O
original	O
flight	B-Application
simulator	I-Application
,	O
compiler	B-Language
,	O
and	O
kernel	B-Operating_System
.	O
</s>
<s>
The	O
stopwatch	O
is	O
meant	O
to	O
act	O
as	O
an	O
oracle	B-General_Concept
that	O
generates	O
pseudo-random	O
text	O
,	O
something	O
Davis	O
likened	O
to	O
a	O
Ouija	O
board	O
and	O
glossolalia	O
.	O
</s>
<s>
TempleOS	O
was	O
written	O
in	O
a	O
programming	O
language	O
developed	O
by	O
Davis	O
as	O
a	O
middle	O
ground	O
between	O
C	B-Language
and	O
C++	B-Language
,	O
originally	O
called	O
"	O
C+	O
"	O
(	O
C	B-Language
Plus	O
)	O
,	O
later	O
renamed	O
to	O
"	O
HolyC	B-Language
"	O
.	O
</s>
<s>
It	O
doubles	O
as	O
the	O
shell	B-Operating_System
language	O
,	O
enabling	O
the	O
writing	O
and	O
execution	O
of	O
entire	O
applications	O
from	O
within	O
the	O
shell	B-Operating_System
.	O
</s>
<s>
The	O
IDE	B-Application
that	O
comes	O
with	O
TempleOS	O
supports	O
several	O
features	O
,	O
such	O
as	O
embedding	O
images	O
in	O
code	O
.	O
</s>
<s>
It	O
uses	O
a	O
non-standard	O
text	O
format	O
(	O
known	O
as	O
DolDoc	O
)	O
which	O
has	O
support	O
for	O
hypertext	O
links	O
,	O
images	O
,	O
and	O
3D	O
meshes	O
to	O
be	O
embedded	O
into	O
what	O
are	O
otherwise	O
standard	O
ASCII	B-Protocol
files	I-Protocol
;	O
for	O
example	O
,	O
a	O
file	O
can	O
have	O
a	O
spinning	O
3D	O
model	O
of	O
a	O
tank	O
as	O
a	O
comment	O
in	O
source	O
code	O
.	O
</s>
<s>
Most	O
code	O
in	O
the	O
OS	O
is	O
JIT-compiled	O
,	O
and	O
it	O
is	O
generally	O
encouraged	O
to	O
use	O
JIT	O
compilation	B-Language
as	O
opposed	O
to	O
creating	B-Application
binaries	I-Application
.	O
</s>
<s>
OSNews	O
editor	O
Kroc	O
Camen	O
wrote	O
that	O
the	O
OS	O
"	O
shows	O
that	O
computing	O
can	O
still	O
be	O
a	O
hobby	B-Operating_System
;	O
why	O
is	O
everybody	O
so	O
serious	O
these	O
days	O
?	O
</s>
<s>
After	O
Davis	O
 '	O
death	O
,	O
OSNews	O
editor	O
Thom	O
Holwerda	O
wrote	O
:	O
"	O
Davis	O
was	O
clearly	O
a	O
gifted	O
programmer	O
–	O
writing	O
an	O
entire	O
operating	B-General_Concept
system	I-General_Concept
is	O
no	O
small	O
feat	O
–	O
and	O
it	O
was	O
sad	O
to	O
see	O
him	O
affected	O
by	O
his	O
mental	O
illness	O
"	O
.	O
</s>
<s>
He	O
added	O
that	O
it	O
"	O
actually	O
boggles	O
my	O
mind	O
that	O
one	O
man	O
wrote	O
all	O
that	O
"	O
and	O
that	O
it	O
was	O
"	O
hard	O
for	O
a	O
layperson	O
to	O
understand	O
what	O
a	O
phenomenal	O
achievement	O
"	O
it	O
is	O
to	O
write	O
an	O
entire	O
operating	B-General_Concept
system	I-General_Concept
alone	O
.	O
</s>
