<s>
BeOS	B-Application
is	O
an	O
operating	B-General_Concept
system	I-General_Concept
for	O
personal	B-Device
computers	I-Device
first	O
developed	O
by	O
Be	O
Inc	O
.	O
in	O
1990	O
.	O
</s>
<s>
It	O
was	O
first	O
written	O
to	O
run	O
on	O
BeBox	B-Device
hardware	O
.	O
</s>
<s>
BeOS	B-Application
was	O
positioned	O
as	O
a	O
multimedia	O
platform	O
that	O
could	O
be	O
used	O
by	O
a	O
substantial	O
population	O
of	O
desktop	O
users	O
and	O
a	O
competitor	O
to	O
Classic	B-Application
Mac	I-Application
OS	I-Application
and	O
Microsoft	B-Application
Windows	I-Application
.	O
</s>
<s>
The	O
company	O
was	O
acquired	O
by	O
Palm	O
,	O
Inc	O
.	O
Today	O
BeOS	B-Application
is	O
mainly	O
used	O
,	O
and	O
derivatives	O
developed	O
,	O
by	O
a	O
small	O
population	O
of	O
enthusiasts	O
.	O
</s>
<s>
The	O
open-source	O
operating	B-General_Concept
system	I-General_Concept
Haiku	B-Language
is	O
a	O
continuation	O
of	O
BeOS	B-Application
concepts	O
and	O
most	O
of	O
the	O
application	O
level	O
compatibility	O
.	O
</s>
<s>
The	O
latest	O
version	O
,	O
Beta	O
4	O
released	O
December	O
2022	O
,	O
still	O
retains	O
BeOS	B-Application
5	O
compatibility	O
in	O
its	O
x86	O
32-bit	O
images	O
.	O
</s>
<s>
Initially	O
designed	O
to	O
run	O
on	O
AT&T	O
Hobbit-based	O
hardware	O
,	O
BeOS	B-Application
was	O
later	O
modified	O
to	O
run	O
on	O
PowerPC-based	O
processors	O
:	O
first	O
Be	O
's	O
own	O
systems	O
,	O
later	O
Apple	O
Computer	O
's	O
PowerPC	B-Device
Reference	I-Device
Platform	I-Device
and	O
Common	B-Device
Hardware	I-Device
Reference	I-Device
Platform	I-Device
,	O
with	O
the	O
hope	O
that	O
Apple	O
would	O
purchase	O
or	O
license	O
BeOS	B-Application
as	O
a	O
replacement	O
for	O
its	O
aging	O
Classic	B-Application
Mac	I-Application
OS	I-Application
.	O
</s>
<s>
Toward	O
the	O
end	O
of	O
1996	O
,	O
Apple	O
was	O
still	O
looking	O
for	O
a	O
replacement	O
to	O
Copland	B-Application
in	O
their	O
operating	B-General_Concept
system	I-General_Concept
strategy	O
.	O
</s>
<s>
Amidst	O
rumours	O
of	O
Apple	O
's	O
interest	O
in	O
purchasing	O
BeOS	B-Application
,	O
Be	O
wanted	O
to	O
increase	O
their	O
user	O
base	O
,	O
to	O
try	O
to	O
convince	O
software	O
developers	O
to	O
write	O
software	O
for	O
the	O
operating	B-General_Concept
system	I-General_Concept
.	O
</s>
<s>
Be	O
courted	O
Macintosh	B-Device
clone	I-Device
vendors	O
to	O
ship	O
BeOS	B-Application
with	O
their	O
hardware	O
.	O
</s>
<s>
Apple	O
's	O
board	O
of	O
directors	O
decided	O
NeXTSTEP	B-Application
was	O
a	O
better	O
choice	O
and	O
purchased	O
NeXT	O
in	O
1996	O
for	O
$429	O
million	O
,	O
bringing	O
back	O
Apple	O
co-founder	O
Steve	O
Jobs	O
.	O
</s>
<s>
In	O
1997	O
,	O
Power	O
Computing	O
began	O
bundling	O
BeOS	B-Application
(	O
on	O
a	O
CD	O
for	O
optional	O
installation	O
)	O
with	O
its	O
line	O
of	O
PowerPC-based	O
Macintosh	B-Device
clones	I-Device
.	O
</s>
<s>
These	O
systems	O
could	O
dual	B-Operating_System
boot	I-Operating_System
either	O
the	O
Classic	B-Application
Mac	I-Application
OS	I-Application
or	O
BeOS	B-Application
,	O
with	O
a	O
start-up	O
screen	O
offering	O
the	O
choice	O
.	O
</s>
<s>
Motorola	O
also	O
announced	O
in	O
February	O
1997	O
that	O
it	O
would	O
bundle	O
BeOS	B-Application
with	O
their	O
Macintosh	B-Device
clones	I-Device
,	O
the	O
Motorola	B-Device
StarMax	I-Device
,	O
along	O
with	O
MacOS	B-Application
.	O
</s>
<s>
Due	O
to	O
Apple	O
's	O
moves	O
and	O
the	O
mounting	O
debt	O
of	O
Be	O
Inc.	O
,	O
BeOS	B-Application
was	O
soon	O
ported	O
to	O
the	O
Intel	B-Operating_System
x86	I-Operating_System
platform	O
with	O
its	O
R3	O
release	O
in	O
March	O
1998	O
.	O
</s>
<s>
Through	O
the	O
late	O
1990s	O
,	O
BeOS	B-Application
managed	O
to	O
create	O
a	O
niche	O
of	O
followers	O
,	O
but	O
the	O
company	O
failed	O
to	O
remain	O
viable	O
.	O
</s>
<s>
Be	O
Inc	O
.	O
also	O
released	O
a	O
stripped-down	O
,	O
but	O
free	O
,	O
copy	O
of	O
BeOS	B-Device
R5	I-Device
known	O
as	O
BeOS	B-Application
Personal	O
Edition	O
(	O
BeOS	B-Application
PE	B-Language
)	O
.	O
</s>
<s>
BeOS	B-Application
PE	B-Language
could	O
be	O
started	O
from	O
within	O
Microsoft	B-Application
Windows	I-Application
or	O
Linux	B-Application
,	O
and	O
was	O
intended	O
to	O
nurture	O
consumer	O
interest	O
in	O
its	O
product	O
and	O
give	O
developers	O
something	O
to	O
tinker	O
with	O
.	O
</s>
<s>
Be	O
Inc	O
.	O
also	O
released	O
a	O
stripped-down	O
version	O
of	O
BeOS	B-Operating_System
for	I-Operating_System
Internet	I-Operating_System
Appliances	I-Operating_System
(	O
BeIA	B-Operating_System
)	O
,	O
which	O
soon	O
became	O
the	O
company	O
's	O
business	O
focus	O
in	O
place	O
of	O
BeOS	B-Application
.	O
</s>
<s>
BeOS	B-Device
R5	I-Device
is	O
considered	O
the	O
last	O
official	O
version	O
,	O
but	O
BeOS	B-Application
R5.1	O
"	O
Dano	B-Device
"	O
,	O
which	O
was	O
under	O
development	O
before	O
Be	O
's	O
sale	O
to	O
Palm	O
and	O
included	O
the	O
BeOS	B-Application
Networking	O
Environment	O
(	O
BONE	O
)	O
networking	O
stack	O
,	O
was	O
leaked	O
to	O
the	O
public	O
shortly	O
after	O
the	O
company	O
's	O
demise	O
.	O
</s>
<s>
In	O
2002	O
,	O
Be	O
Inc	O
.	O
sued	O
Microsoft	O
claiming	O
that	O
Hitachi	O
had	O
been	O
dissuaded	O
from	O
selling	O
PCs	B-Device
loaded	O
with	O
BeOS	B-Application
,	O
and	O
that	O
Compaq	O
had	O
been	O
pressured	O
not	O
to	O
market	O
an	O
Internet	O
appliance	O
in	O
partnership	O
with	O
Be	O
.	O
</s>
<s>
After	O
the	O
split	O
from	O
Palm	O
,	O
PalmSource	O
used	O
parts	O
of	O
BeOS	B-Application
's	O
multimedia	O
framework	O
for	O
its	O
failed	O
Palm	O
OS	O
Cobalt	O
product	O
.	O
</s>
<s>
With	O
the	O
takeover	O
of	O
PalmSource	O
,	O
the	O
BeOS	B-Application
rights	O
now	O
belong	O
to	O
Access	O
Co	O
.	O
</s>
<s>
In	O
the	O
years	O
that	O
followed	O
the	O
demise	O
of	O
Be	O
Inc	O
.	O
a	O
handful	O
of	O
projects	O
formed	O
to	O
recreate	O
BeOS	B-Application
or	O
key	O
elements	O
of	O
the	O
OS	O
with	O
the	O
eventual	O
goal	O
of	O
then	O
continuing	O
where	O
Be	O
Inc	O
.	O
left	O
off	O
.	O
</s>
<s>
This	O
was	O
facilitated	O
by	O
Be	O
Inc	O
.	O
having	O
released	O
some	O
components	O
of	O
BeOS	B-Application
under	O
a	O
free	O
licence	O
.	O
</s>
<s>
BlueEyedOS	O
:	O
It	O
uses	O
a	O
modified	O
version	O
of	O
the	O
Linux	B-Application
kernel	O
and	O
reimplements	O
the	O
BeOS	B-Application
API	B-General_Concept
over	O
it	O
(	O
BeOS	B-Application
applications	O
need	O
to	O
be	O
recompiled	O
)	O
.	O
</s>
<s>
Cosmoe	O
:	O
A	O
port	O
of	O
the	O
Haiku	B-Language
userland	O
over	O
a	O
Linux	B-Application
kernel	O
.	O
</s>
<s>
BeOS	B-Application
applications	O
need	O
to	O
be	O
recompiled	O
.	O
</s>
<s>
E/OS	O
:	O
short	O
for	O
Emulator	O
Operating	B-General_Concept
System	I-General_Concept
.	O
</s>
<s>
A	O
Linux	B-Application
and	O
FreeBSD-based	O
operating	B-General_Concept
system	I-General_Concept
that	O
aimed	O
to	O
run	O
Windows	O
,	O
DOS	B-Device
,	O
AmigaOS	B-Application
and	O
BeOS	B-Application
applications	O
.	O
</s>
<s>
Haiku	B-Language
:	O
A	O
complete	O
reimplementation	O
of	O
BeOS	B-Application
not	O
based	O
on	O
Linux	B-Application
.	O
</s>
<s>
Unlike	O
Cosmoe	O
and	O
BlueEyedOS	O
,	O
it	O
is	O
directly	O
compatible	O
with	O
BeOS	B-Application
applications	O
.	O
</s>
<s>
As	O
of	O
2022	O
,	O
it	O
was	O
the	O
only	O
BeOS	B-Application
clone	O
still	O
under	O
development	O
,	O
with	O
the	O
fourth	O
beta	O
(	O
December	O
2022	O
)	O
still	O
keeping	O
BeOS	B-Application
5	O
compatibility	O
in	O
its	O
x86	O
32-bit	O
images	O
,	O
with	O
an	O
increased	O
number	O
of	O
modern	O
drivers	O
and	O
GTK	B-Application
apps	O
ported	O
.	O
</s>
<s>
Zeta	B-Device
was	O
a	O
commercially	O
available	O
operating	B-General_Concept
system	I-General_Concept
based	O
on	O
the	O
BeOS	O
R5.1	O
codebase	O
.	O
</s>
<s>
Originally	O
developed	O
by	O
yellowTAB	O
,	O
the	O
operating	B-General_Concept
system	I-General_Concept
was	O
then	O
distributed	O
by	O
magnussoft	O
.	O
</s>
<s>
During	O
development	O
by	O
yellowTAB	O
,	O
the	O
company	O
received	O
criticism	O
from	O
the	O
BeOS	B-Application
community	O
for	O
refusing	O
to	O
discuss	O
its	O
legal	O
position	O
with	O
regard	O
to	O
the	O
BeOS	B-Application
codebase	O
(	O
perhaps	O
for	O
contractual	O
reasons	O
)	O
.	O
</s>
<s>
Access	O
Co	O
.	O
(	O
which	O
bought	O
PalmSource	O
,	O
until	O
then	O
the	O
holder	O
of	O
the	O
intellectual	O
property	O
associated	O
with	O
BeOS	B-Application
)	O
has	O
since	O
declared	O
that	O
yellowTAB	O
had	O
no	O
right	O
to	O
distribute	O
a	O
modified	O
version	O
of	O
BeOS	B-Application
,	O
and	O
magnussoft	O
has	O
ceased	O
distribution	O
of	O
the	O
operating	B-General_Concept
system	I-General_Concept
.	O
</s>
<s>
BeOS	B-Application
was	O
built	O
for	O
digital	O
media	O
work	O
and	O
was	O
written	O
to	O
take	O
advantage	O
of	O
modern	O
hardware	O
facilities	O
such	O
as	O
symmetric	B-Operating_System
multiprocessing	I-Operating_System
by	O
utilizing	O
modular	O
I/O	O
bandwidth	O
,	O
pervasive	O
multithreading	O
,	O
preemptive	O
multitasking	O
and	O
a	O
64-bit	B-Device
journaling	B-Application
file	I-Application
system	I-Application
known	O
as	O
BFS	B-Language
.	O
</s>
<s>
The	O
BeOS	B-Application
GUI	O
was	O
developed	O
on	O
the	O
principles	O
of	O
clarity	O
and	O
a	O
clean	O
,	O
uncluttered	O
design	O
.	O
</s>
<s>
The	O
API	B-General_Concept
was	O
written	O
in	O
C++	B-Language
for	O
ease	O
of	O
programming	O
.	O
</s>
<s>
The	O
GUI	O
was	O
largely	O
multithreaded	O
:	O
each	O
window	O
ran	O
in	O
its	O
own	O
thread	O
,	O
relying	O
heavily	O
on	O
sending	O
messages	O
to	O
communicate	O
between	O
threads	O
;	O
and	O
these	O
concepts	O
are	O
reflected	O
into	O
the	O
API	B-General_Concept
.	O
</s>
<s>
It	O
has	O
partial	O
POSIX	O
compatibility	O
and	O
access	O
to	O
a	O
command-line	B-Application
interface	I-Application
through	O
Bash	B-Operating_System
,	O
although	O
internally	O
it	O
is	O
not	O
a	O
Unix-derived	O
operating	B-General_Concept
system	I-General_Concept
.	O
</s>
<s>
Many	O
Unix	B-Application
applications	O
were	O
ported	O
to	O
the	O
BeOS	B-Application
command-line	B-Application
interface	I-Application
.	O
</s>
<s>
BeOS	B-Application
used	O
Unicode	O
as	O
the	O
default	O
encoding	O
in	O
the	O
GUI	O
,	O
though	O
support	O
for	O
input	O
methods	O
such	O
as	O
bidirectional	O
text	O
input	O
was	O
never	O
realized	O
.	O
</s>
<s>
BeOS	B-Application
(	O
and	O
now	O
Zeta	B-Device
)	O
continue	O
to	O
be	O
used	O
in	O
media	O
appliances	O
,	O
such	O
as	O
the	O
Edirol	O
DV-7	O
video	O
editors	O
from	O
Roland	O
Corporation	O
,	O
which	O
run	O
on	O
top	O
of	O
a	O
modified	O
BeOS	B-Application
and	O
the	O
Tunetracker	O
Radio	O
Automation	O
software	O
that	O
used	O
to	O
run	O
it	O
on	O
BeOS	B-Application
and	O
Zeta	B-Device
,	O
and	O
it	O
was	O
also	O
sold	O
as	O
a	O
"	O
Station-in-a-Box	O
"	O
with	O
the	O
Zeta	B-Device
operating	B-General_Concept
system	I-General_Concept
included	O
.	O
</s>
<s>
In	O
2015	O
,	O
Tunetracker	O
released	O
a	O
Haiku	B-Language
distribution	O
bundled	O
with	O
its	O
broadcasting	O
software	O
.	O
</s>
<s>
The	O
Tascam	O
SX-1	O
digital	O
audio	O
recorder	O
runs	O
a	O
heavily	O
modified	O
version	O
of	O
BeOS	B-Application
that	O
will	O
only	O
launch	O
the	O
recording	O
interface	O
software	O
.	O
</s>
<s>
The	O
RADAR	O
24	O
,	O
RADAR	O
V	O
and	O
RADAR	O
6	O
,	O
hard	O
disk-based	O
,	O
24-track	O
professional	O
audio	O
recorders	O
from	O
iZ	O
Technology	O
Corporation	O
were	O
based	O
on	O
BeOS	B-Application
5	O
.	O
</s>
<s>
Magicbox	O
,	O
a	O
manufacturer	O
of	O
signage	O
and	O
broadcast	O
display	O
machines	O
,	O
uses	O
BeOS	B-Application
to	O
power	O
their	O
Aavelin	O
product	O
line	O
.	O
</s>
<s>
Final	B-Application
Scratch	I-Application
,	O
a	O
12-inch	O
vinyl	O
timecode	O
record-driven	O
DJ	O
software/hardware	O
system	O
,	O
was	O
first	O
developed	O
on	O
BeOS	B-Application
.	O
</s>
<s>
The	O
"	O
ProFS	O
"	O
version	O
was	O
sold	O
to	O
a	O
few	O
dozen	O
DJs	O
prior	O
to	O
the	O
1.0	O
release	O
,	O
which	O
ran	O
on	O
a	O
Linux	B-Application
virtual	O
partition	O
.	O
</s>
