<s>
TrueOS	B-Application
(	O
formerly	O
PC-BSD	B-Application
or	O
PCBSD	B-Application
)	O
is	O
a	O
discontinued	O
Unix-like	B-Operating_System
,	O
server-oriented	O
operating	B-General_Concept
system	I-General_Concept
built	O
upon	O
the	O
most	O
recent	O
releases	O
of	O
FreeBSD-CURRENT	O
.	O
</s>
<s>
Up	O
to	O
2018	O
it	O
aimed	O
to	O
be	O
easy	O
to	O
install	O
by	O
using	O
a	O
graphical	O
installation	O
program	O
,	O
and	O
easy	O
and	O
ready-to-use	O
immediately	O
by	O
providing	O
KDE	B-Language
SC	I-Language
,	O
Lumina	B-Application
,	O
LXDE	B-Language
,	O
MATE	B-Language
,	O
or	O
Xfce	B-Language
as	O
the	O
desktop	O
environment	O
.	O
</s>
<s>
In	O
June	O
2018	O
the	O
developers	O
announced	O
that	O
since	O
TrueOS	B-Application
had	O
become	O
the	O
core	O
OS	O
to	O
provide	O
a	O
basis	O
for	O
other	O
projects	O
,	O
the	O
graphical	O
installer	O
had	O
been	O
removed	O
.	O
</s>
<s>
Graphical	O
end-user-orientated	O
OSes	O
formerly	O
based	O
on	O
TrueOS	B-Application
were	O
GhostBSD	B-Application
and	O
Trident	O
.	O
</s>
<s>
TrueOS	B-Application
provided	O
official	O
binary	O
Nvidia	O
and	O
Intel	O
drivers	O
for	O
hardware	O
acceleration	O
and	O
an	O
optional	O
3D	O
desktop	O
interface	O
through	O
KWin	B-Language
,	O
and	O
Wine	B-Application
is	O
ready-to-use	O
for	O
running	O
Microsoft	B-Application
Windows	I-Application
software	O
.	O
</s>
<s>
TrueOS	B-Application
was	O
also	O
able	O
to	O
run	O
Linux	O
software	O
in	O
addition	O
to	O
FreeBSD	B-Application
Ports	I-Application
collection	I-Application
and	O
it	O
had	O
its	O
own	O
.txz	O
package	B-Application
manager	I-Application
.	O
</s>
<s>
TrueOS	B-Application
supported	O
OpenZFS	B-Operating_System
and	O
the	O
installer	O
offered	O
disk	O
encryption	O
with	O
geli	B-Application
.	O
</s>
<s>
Development	O
of	O
TrueOS	B-Application
ended	O
in	O
2020	O
.	O
</s>
<s>
TrueOS	B-Application
was	O
founded	O
by	O
FreeBSD	B-Operating_System
professional	O
Kris	B-Application
Moore	I-Application
in	O
early	O
2005	O
as	O
PC-BSD	B-Application
.	O
</s>
<s>
In	O
August	O
2006	O
it	O
was	O
voted	O
the	O
most	O
beginner-friendly	O
operating	B-General_Concept
system	I-General_Concept
by	O
OSWeekly.com	O
.	O
</s>
<s>
The	O
first	O
beta	O
of	O
the	O
PC-BSD	B-Application
consisted	O
of	O
only	O
a	O
GUI	O
installer	O
to	O
get	O
the	O
user	O
up	O
and	O
running	O
with	O
a	O
FreeBSD	B-Operating_System
6	O
system	O
with	O
KDE3	O
pre-configured	O
.	O
</s>
<s>
This	O
was	O
a	O
major	O
innovation	O
for	O
the	O
time	O
as	O
anyone	O
wishing	O
to	O
install	O
FreeBSD	B-Operating_System
would	O
have	O
to	O
manually	O
tweak	O
and	O
run	O
through	O
a	O
text	O
installer	O
.	O
</s>
<s>
Kris	B-Application
Moore	I-Application
's	O
goal	O
was	O
to	O
make	O
FreeBSD	B-Operating_System
easy	O
for	O
everyone	O
to	O
use	O
on	O
the	O
desktop	O
and	O
has	O
since	O
diverged	O
even	O
more	O
in	O
the	O
direction	O
of	O
usability	O
by	O
including	O
additional	O
GUI	O
administration	O
tools	O
and	O
.pbi	O
application	O
installers	O
.	O
</s>
<s>
PC-BSD	B-Application
'	O
s	O
application	O
installer	O
management	O
involved	O
a	O
different	O
approach	O
to	O
installing	O
software	O
than	O
many	O
other	O
Unix-like	B-Operating_System
operating	I-Operating_System
systems	I-Operating_System
,	O
up	O
to	O
and	O
including	O
version	O
8.2	O
,	O
by	O
means	O
of	O
the	O
pbiDIR	O
website	O
.	O
</s>
<s>
Instead	O
of	O
using	O
the	O
FreeBSD	B-Application
Ports	I-Application
tree	O
directly	O
(	O
although	O
it	O
remained	O
available	O
)	O
,	O
PC-BSD	B-Application
used	O
files	O
with	O
the	O
.pbi	O
filename	O
extension	O
(	O
Push	O
Button	O
Installer	O
)	O
which	O
,	O
when	O
double-clicked	O
,	O
brought	O
up	O
an	O
installation	O
wizard	O
program	O
.	O
</s>
<s>
An	O
autobuild	O
system	O
tracked	O
the	O
FreeBSD	B-Application
ports	I-Application
collection	I-Application
and	O
generated	O
new	O
.pbi	O
files	O
daily	O
.	O
</s>
<s>
All	O
software	B-Application
packages	I-Application
and	O
dependencies	O
were	O
installed	O
from	O
inside	O
of	O
the	O
.pbi	O
files	O
into	O
their	O
own	O
self-contained	O
directories	O
in	O
/Programs	O
.	O
</s>
<s>
This	O
convention	O
was	O
aimed	O
to	O
decrease	O
confusion	O
about	O
where	O
binary	O
programs	O
reside	O
,	O
and	O
to	O
remove	O
the	O
possibility	O
of	O
a	O
package	O
breaking	O
if	O
system	O
libraries	O
are	O
upgraded	O
or	O
changed	O
,	O
and	O
to	O
prevent	O
dependency	B-Protocol
hell	I-Protocol
.	O
</s>
<s>
On	O
October	O
10	O
,	O
2006	O
,	O
PC-BSD	B-Application
was	O
acquired	O
by	O
enterprise	O
hardware	O
provider	O
iXsystems	O
.	O
</s>
<s>
iXsystems	O
employed	O
Kris	B-Application
Moore	I-Application
as	O
a	O
full-time	O
developer	O
and	O
leader	O
of	O
the	O
project	O
.	O
</s>
<s>
In	O
November	O
2007	O
,	O
iXsystems	O
entered	O
into	O
a	O
distribution	O
agreement	O
with	O
Fry	O
's	O
Electronics	O
whereby	O
Fry	O
's	O
Electronics	O
stores	O
nationwide	O
carry	O
boxed	O
copies	O
of	O
PC-BSD	B-Application
version	O
1.4	O
(	O
Da	O
Vinci	O
Edition	O
)	O
.	O
</s>
<s>
On	O
September	O
1	O
,	O
2016	O
,	O
the	O
PC-BSD	B-Application
team	O
announced	O
that	O
the	O
name	O
of	O
the	O
operating	B-General_Concept
system	I-General_Concept
would	O
change	O
to	O
TrueOS	B-Application
.	O
</s>
<s>
Along	O
with	O
the	O
rebranding	O
,	O
the	O
project	O
also	O
became	O
a	O
rolling	O
release	O
distribution	O
,	O
based	O
on	O
the	O
FreeBSD-CURRENT	O
branch	O
.	O
</s>
<s>
On	O
November	O
15	O
,	O
2016	O
,	O
TrueOS	B-Application
began	O
the	O
transition	O
from	O
FreeBSD	B-Operating_System
's	O
rc.d	O
to	O
OpenRC	B-Device
as	O
the	O
default	O
init	O
system	O
.	O
</s>
<s>
Apart	O
from	O
Gentoo/Alt	O
,	O
where	O
OpenRC	B-Device
was	O
initially	O
developed	O
,	O
this	O
is	O
the	O
only	O
other	O
major	O
BSD	B-Operating_System
based	O
operating	B-General_Concept
system	I-General_Concept
using	O
OpenRC	B-Device
.	O
</s>
<s>
In	O
July	O
2018	O
,	O
TrueOS	B-Application
announced	O
that	O
they	O
would	O
spin	O
off	O
the	O
desktop	O
edition	O
into	O
a	O
separate	O
project	O
named	O
Project	O
Trident	O
.	O
</s>
<s>
Development	O
of	O
TrueOS	B-Application
ended	O
in	O
2020	O
and	O
the	O
developers	O
recommended	O
users	O
move	O
to	O
other	O
BSD-based	O
operating	B-General_Concept
systems	I-General_Concept
.	O
</s>
<s>
Since	O
version	O
7	O
,	O
PC-BSD	B-Application
began	O
following	O
the	O
same	O
numbering	O
system	O
as	O
FreeBSD	B-Operating_System
.	O
</s>
<s>
Since	O
version	O
9.0	O
,	O
the	O
KDE	B-Language
SC	I-Language
,	O
customized	O
to	O
support	O
tighter	O
application	O
integration	O
and	O
the	O
.txz	O
package	B-Application
management	I-Application
system	I-Application
,	O
was	O
no	O
longer	O
the	O
only	O
desktop	O
environment	O
supported	O
by	O
PC-BSD	B-Application
.	O
</s>
<s>
While	O
manual	O
installation	O
of	O
other	O
desktops	O
such	O
as	O
Xfce	B-Language
and	O
GNOME	B-Application
had	O
been	O
technically	O
possible	O
in	O
earlier	O
releases	O
,	O
none	O
of	O
these	O
were	O
supported	O
in	O
the	O
earlier	O
versions	O
,	O
and	O
major	O
functionality	O
was	O
lost	O
when	O
not	O
using	O
PC-BSD	B-Application
'	O
s	O
special	O
build	O
of	O
KDE	B-Language
SC	I-Language
.	O
</s>
<s>
Starting	O
with	O
version	O
9.0	O
,	O
PC-BSD	B-Application
added	O
other	O
desktop	O
environments	O
,	O
including	O
GNOME	B-Application
,	O
Xfce	B-Language
,	O
LXDE	B-Language
,	O
and	O
MATE	B-Language
.	O
</s>
<s>
PC-BSD	B-Application
used	O
to	O
support	O
both	O
amd64	B-Device
and	O
i686	B-Device
architectures	I-Device
.	O
</s>
<s>
Support	O
for	O
i686	B-Device
was	O
dropped	O
in	O
version	O
9.2	O
.	O
</s>
<s>
Starting	O
in	O
September	O
2016	O
with	O
the	O
rebranding	O
of	O
PC-BSD	B-Application
,	O
TrueOS	B-Application
became	O
a	O
rolling	O
release	O
distribution	O
based	O
on	O
FreeBSD	B-Operating_System
's	O
current	O
branch	O
.	O
</s>
<s>
TrueOS	B-Application
's	O
package	B-Application
manager	I-Application
takes	O
a	O
similar	O
approach	O
to	O
installing	O
software	O
to	O
many	O
other	O
Unix-like	B-Operating_System
operating	I-Operating_System
systems	I-Operating_System
.	O
</s>
<s>
Instead	O
of	O
using	O
the	O
FreeBSD	B-Application
Ports	I-Application
tree	O
directly	O
(	O
although	O
it	O
remains	O
available	O
)	O
,	O
TrueOS	B-Application
uses	O
files	O
with	O
the	O
.txz	O
filename	O
extension	O
packages	O
which	O
contain	O
compiled	O
ports	O
.	O
</s>
<s>
An	O
autobuild	O
system	O
tracked	O
the	O
FreeBSD	B-Application
ports	I-Application
collection	I-Application
and	O
generated	O
new	O
.txz	O
files	O
daily	O
.	O
</s>
<s>
The	O
TrueOS	B-Application
package	B-Application
management	I-Application
system	I-Application
aims	O
to	O
be	O
visually	O
similar	O
to	O
that	O
of	O
major	O
operating	B-General_Concept
systems	I-General_Concept
such	O
as	O
Microsoft	B-Application
Windows	I-Application
and	O
Apple	O
macOS	B-Application
,	O
where	O
applications	O
are	O
installed	O
from	O
a	O
single	O
download	O
link	O
with	O
graphical	O
prompts	O
,	O
while	O
maintaining	O
internally	O
the	O
traditional	O
.txz	O
package	B-Application
management	I-Application
systems	I-Application
that	O
many	O
Unix-like	B-Operating_System
systems	I-Operating_System
use	O
.	O
</s>
<s>
The	O
TrueOS	B-Application
package	B-Application
manager	I-Application
also	O
takes	O
care	O
of	O
creating	O
categorized	O
links	O
in	O
the	O
KDE	O
menu	O
and	O
on	O
the	O
KDE	B-Language
SC	I-Language
desktop	O
.	O
</s>
<s>
In	O
2014	O
,	O
the	O
PC-BSD	B-Application
project	O
announced	O
its	O
development	O
of	O
a	O
new	O
desktop	O
environment	O
,	O
from	O
scratch	O
,	O
named	O
Lumina	B-Application
.	O
</s>
<s>
Ken	O
Moore	O
is	O
the	O
main	O
developer	O
of	O
Lumina	B-Application
,	O
which	O
is	O
based	O
on	O
the	O
Qt	B-Language
toolkit	I-Language
.	O
</s>
<s>
As	O
of	O
July	O
2016	O
,	O
Lumina	B-Application
has	O
its	O
own	O
web	O
site	O
.	O
</s>
<s>
TrueOS	B-Application
was	O
originally	O
licensed	O
under	O
the	O
GNU	B-License
General	I-License
Public	I-License
License	I-License
(	O
GPL	B-License
)	O
because	O
the	O
developers	O
were	O
under	O
the	O
impression	O
that	O
applications	O
using	O
the	O
Qt	B-Language
,	O
which	O
TrueOS	B-Application
uses	O
for	O
its	O
interface	O
development	O
,	O
must	O
be	O
licensed	O
under	O
the	O
GPL	B-License
or	O
the	O
Q	B-Language
Public	I-Language
License	I-Language
.	O
</s>
<s>
Upon	O
discovering	O
that	O
there	O
was	O
,	O
in	O
fact	O
,	O
no	O
such	O
restriction	O
,	O
the	O
TrueOS	B-Application
developers	O
later	O
relicensed	O
the	O
code	O
under	O
a	O
BSD-like	O
3-clause	O
license	O
.	O
</s>
<s>
TrueOS	B-Application
and	O
the	O
TrueOS	B-Application
logo	O
are	O
registered	O
trademarks	O
of	O
iXsystems	O
Inc	O
.	O
</s>
<s>
The	O
New	O
York	O
City	O
*	O
BSD	B-Operating_System
User	O
Group	O
runs	O
a	O
service	O
named	O
dmesgd	O
,	O
which	O
provides	O
user-submitted	O
dmesg	B-Device
information	O
for	O
different	O
computer	O
hardware	O
(	O
laptops	B-Device
,	O
workstations	B-Device
,	O
single-board	B-Device
computers	I-Device
,	O
embedded	B-Architecture
systems	I-Architecture
,	O
virtual	B-Architecture
machines	I-Architecture
,	O
etc	O
.	O
)	O
</s>
<s>
capable	O
of	O
running	O
TrueOS	B-Application
.	O
</s>
<s>
According	O
to	O
the	O
TrueOS	B-Application
wiki	O
,	O
TrueOS	B-Application
has	O
the	O
following	O
hardware	O
requirements	O
:	O
</s>
<s>
UEFI	B-Architecture
support	O
(	O
for	O
amd64	B-Device
only	O
)	O
has	O
been	O
added	O
to	O
the	O
installer	O
and	O
the	O
boot	O
manager	O
since	O
version	O
10.1	O
with	O
the	O
default	O
EFI	O
boot	O
manager	O
to	O
be	O
rEFInd	B-Device
.	O
</s>
<s>
This	O
includes	O
ACPI	B-Device
detection	O
and	O
setup	O
of	O
Root	O
System	O
Description	O
Pointer	O
(	O
RSDP	O
)	O
,	O
eXtended	O
System	O
Descriptor	O
Table	O
(	O
XSDT	O
)	O
,	O
and	O
Root	O
System	O
Description	O
Table	O
(	O
RSDT	O
)	O
pass-through	O
values	O
to	O
the	O
kernel	B-Operating_System
.	O
</s>
<s>
A	O
new	O
installation	O
is	O
needed	O
in	O
order	O
to	O
install	O
UEFI	B-Architecture
support	O
as	O
it	O
requires	O
the	O
creation	O
of	O
a	O
small	O
FAT	B-Application
partition	I-Application
.	O
</s>
<s>
The	O
current	O
UEFI	B-Architecture
does	O
not	O
support	O
secure	O
boot	O
.	O
</s>
