<s>
ChromiumOS	B-Application
(	O
formerly	O
styled	O
as	O
Chromium	B-Application
OS	I-Application
)	O
is	O
a	O
free	B-License
and	I-License
open-source	I-License
operating	B-General_Concept
system	I-General_Concept
designed	O
for	O
running	O
web	B-Application
applications	I-Application
and	O
browsing	O
the	O
World	O
Wide	O
Web	O
.	O
</s>
<s>
It	O
is	O
the	O
open-source	B-Application
version	O
of	O
ChromeOS	B-Operating_System
,	O
a	O
Linux-based	O
operating	B-General_Concept
system	I-General_Concept
made	O
by	O
Google	B-Application
.	I-Application
</s>
<s>
Like	O
ChromeOS	B-Operating_System
,	O
ChromiumOS	B-Application
is	O
based	O
on	O
the	O
Linux	B-Operating_System
kernel	I-Operating_System
,	O
but	O
its	O
principal	O
user	B-Application
interface	I-Application
is	O
the	O
Chromium	B-Language
web	I-Language
browser	I-Language
rather	O
than	O
the	B-Application
Google	I-Application
Chrome	B-Application
browser	I-Application
.	O
</s>
<s>
ChromiumOS	B-Application
also	O
includes	O
the	O
Portage	B-Application
package	B-Application
manager	I-Application
,	O
which	O
was	O
originally	O
developed	O
for	O
Gentoo	B-Application
Linux	I-Application
.	O
</s>
<s>
Because	O
ChromiumOS	B-Application
and	O
ChromeOS	B-Operating_System
use	O
a	O
web	B-Protocol
browser	I-Protocol
engine	I-Protocol
for	O
the	O
user	B-Application
interface	I-Application
,	O
they	O
are	O
oriented	O
toward	O
web	B-Application
applications	I-Application
rather	O
than	O
desktop	B-Application
applications	I-Application
or	O
mobile	B-Application
apps	I-Application
.	O
</s>
<s>
Google	B-Application
first	O
published	O
the	O
ChromiumOS	B-Application
source	O
code	O
in	O
late	O
2009	O
.	O
</s>
<s>
Chromium	B-Language
's	O
architecture	O
is	O
three-tiered	O
,	O
consisting	O
of	O
"	O
three	O
major	O
components	O
"	O
:	O
</s>
<s>
ChromiumOS	B-Application
was	O
first	O
made	O
available	O
in	O
compiled	O
form	O
by	O
hobbyists	O
.	O
</s>
<s>
More	O
organized	O
efforts	O
have	O
emerged	O
over	O
time	O
,	O
including	O
a	O
few	O
manufacturers	O
that	O
have	O
shipped	O
devices	O
with	O
the	O
operating	B-General_Concept
system	I-General_Concept
pre-installed	O
.	O
</s>
<s>
The	O
most	O
popular	O
version	O
,	O
entitled	O
"	O
ChromiumOS	B-Application
Flow	O
"	O
,	O
was	O
created	O
by	O
Liam	O
McLoughlin	O
,	O
a	O
then	O
17-year-old	O
college	O
student	O
in	O
Liverpool	O
,	O
England	O
,	O
posting	O
under	O
the	O
name	O
"	O
Hexxeh	O
"	O
.	O
</s>
<s>
McLoughlin	O
's	O
build	O
boots	O
from	O
a	O
USB	O
memory	O
stick	O
and	O
included	O
features	O
that	O
Google	B-Application
engineers	O
had	O
not	O
yet	O
implemented	O
,	O
such	O
as	O
support	O
for	O
the	O
Java	B-Language
programming	I-Language
language	I-Language
.	O
</s>
<s>
While	O
Google	B-Application
did	O
not	O
expect	O
that	O
hobbyists	O
would	O
use	O
and	O
evaluate	O
ChromiumOS	B-Application
ahead	O
of	O
its	O
official	O
release	O
,	O
Sundar	O
Pichai	O
,	O
Google	B-Application
's	I-Application
vice	O
president	O
of	O
product	O
management	O
(	O
now	O
the	O
CEO	O
)	O
said	O
that	O
"	O
what	O
people	O
like	O
Hexxeh	O
are	O
doing	O
is	O
amazing	O
to	O
see.	O
"	O
</s>
<s>
Pichai	O
said	O
the	O
early	O
releases	O
were	O
an	O
unintended	O
consequence	O
of	O
open	B-Application
source	I-Application
development	O
.	O
</s>
<s>
"	O
If	O
you	O
decide	O
to	O
do	O
open-source	B-Application
projects	O
,	O
you	O
have	O
to	O
be	O
open	O
all	O
the	O
way.	O
"	O
</s>
<s>
He	O
announced	O
"	O
ChromiumOS	B-Application
Lime	O
"	O
in	O
December	O
2010	O
,	O
and	O
in	O
January	O
2011	O
,	O
released	O
"	O
Luigi	O
"	O
,	O
an	O
application	O
designed	O
to	O
"	O
jailbreak	B-Application
"	O
/	O
"	O
root	B-Application
"	O
the	B-Application
Google	I-Application
Cr-48	O
"	O
Mario	O
"	O
prototype	O
hardware	O
and	O
install	O
a	O
generic	B-Operating_System
BIOS	I-Operating_System
.	O
</s>
<s>
With	O
no	O
official	O
build	O
of	O
ChromiumOS	B-Application
forthcoming	O
from	O
Google	B-Application
,	O
Hexxeh	O
's	O
"	O
vanilla	B-General_Concept
"	O
nightly	O
builds	O
of	O
ChromiumOS	B-Application
were	O
the	O
principal	O
resource	O
for	O
people	O
wanting	O
to	O
try	O
ChromiumOS	B-Application
.	O
</s>
<s>
More	O
recent	O
versions	O
of	O
ChromiumOS	B-Application
are	O
available	O
from	O
Arnoldthebat	O
,	O
who	O
maintains	O
daily	O
and	O
weekly	O
builds	O
along	O
with	O
usage	O
guidelines	O
and	O
help	O
.	O
</s>
<s>
In	O
July	O
2012	O
,	O
Chromium	B-Language
Build	O
Kit	O
was	O
released	O
.	O
</s>
<s>
It	O
automatically	O
compiles	O
a	O
developer	O
build	O
and	O
installs	O
ChromiumOS	B-Application
on	O
a	O
USB	O
drive	O
.	O
</s>
<s>
In	O
2015	O
,	O
New	O
York	O
City-based	O
Neverware	O
produced	O
a	O
ChromiumOS	B-Application
fork	O
called	O
CloudReady	O
aimed	O
at	O
the	O
educational	O
market	O
,	O
with	O
the	O
intention	O
of	O
extending	O
the	O
life	O
of	O
older	O
PCs	O
and	O
laptops	O
.	O
</s>
<s>
A	O
subsequent	O
version	O
can	O
dual-boot	B-Operating_System
Neverware	O
and	O
the	O
Windows	B-Application
operating	I-Application
system	I-Application
(	O
until	O
v64	O
)	O
.	O
</s>
<s>
In	O
2020	O
,	O
Neverware	O
was	O
acquired	O
by	O
Google	B-Application
,	O
and	O
a	O
similar	O
"	O
ChromeOS	B-Operating_System
Flex	O
"	O
was	O
released	O
into	O
beta	O
in	O
February	O
2022	O
.	O
</s>
<s>
Some	O
devices	O
have	O
shipped	O
with	O
ChromiumOS	B-Application
preinstalled	O
.	O
</s>
<s>
Other	O
devices	O
include	O
the	O
Kogan	O
Agora	O
Chromium	B-Language
Laptop	O
by	O
the	O
Australian	O
company	O
Kogan	O
and	O
the	O
Xi3	O
Modular	O
Computer	O
,	O
introduced	O
by	O
the	O
company	O
of	O
the	O
same	O
name	O
.	O
</s>
<s>
In	O
late	O
2015	O
,	O
a	O
team	O
headed	O
by	O
Dylan	O
Callahan	O
released	O
a	O
beta	O
ChromiumOS	B-Application
port	O
to	O
the	O
Raspberry	B-Operating_System
Pi	I-Operating_System
2	I-Operating_System
single-board	O
computer	O
.	O
</s>
<s>
In	O
2016	O
,	O
Flint	O
Innovations	O
released	O
a	O
ChromiumOS	B-Application
port	O
for	O
the	O
latest	O
Raspberry	B-Operating_System
Pi	I-Operating_System
3/B	O
model	O
named	O
Flint	O
OS	O
for	O
RPi	B-Operating_System
.	O
</s>
<s>
In	O
June	O
2011	O
,	O
ISYS	O
Technologies	O
,	O
based	O
in	O
Salt	O
Lake	O
City	O
,	O
sued	O
Google	B-Application
in	O
a	O
Utah	O
district	O
court	O
,	O
claiming	O
rights	O
to	O
the	O
name	O
"	O
Chromium	B-Language
"	O
and	O
,	O
by	O
default	O
,	O
Chromebook	B-Operating_System
and	O
Chromebox	B-Protocol
.	O
</s>
<s>
The	O
suit	O
sought	O
to	O
stop	O
Google	B-Application
and	O
its	O
hardware	O
and	O
marketing	O
partners	O
from	O
selling	O
Chromebooks	B-Operating_System
.	O
</s>
<s>
The	O
suit	O
was	O
later	O
dismissed	O
and	O
,	O
as	O
part	O
of	O
an	O
undisclosed	O
settlement	O
between	O
Google	B-Application
and	O
ISYS	O
,	O
ISYS	O
abandoned	O
its	O
trademark	O
efforts	O
.	O
</s>
