<s>
The	O
GUID	B-Application
Partition	I-Application
Table	I-Application
(	O
GPT	O
)	O
is	O
a	O
standard	O
for	O
the	O
layout	O
of	O
partition	B-Application
tables	O
of	O
a	O
physical	O
computer	B-General_Concept
storage	I-General_Concept
device	I-General_Concept
,	O
such	O
as	O
a	O
hard	B-Device
disk	I-Device
drive	I-Device
or	O
solid-state	B-Device
drive	I-Device
,	O
using	O
universally	O
unique	O
identifiers	O
,	O
which	O
are	O
also	O
known	O
as	O
globally	O
unique	O
identifiers	O
(	O
GUIDs	O
)	O
.	O
</s>
<s>
Forming	O
a	O
part	O
of	O
the	O
Unified	B-Architecture
Extensible	I-Architecture
Firmware	I-Architecture
Interface	I-Architecture
(	O
UEFI	B-Architecture
)	O
standard	O
(	O
Unified	O
EFI	O
Forum-proposed	O
replacement	O
for	O
the	O
PC	B-Operating_System
BIOS	I-Operating_System
)	O
,	O
it	O
is	O
nevertheless	O
also	O
used	O
for	O
some	O
BIOS	B-Operating_System
systems	O
,	O
because	O
of	O
the	O
limitations	O
of	O
master	B-Device
boot	I-Device
record	I-Device
(	O
MBR	B-Device
)	O
partition	B-Application
tables	O
,	O
which	O
use	O
32	O
bits	O
for	O
logical	B-Device
block	I-Device
addressing	I-Device
(	O
LBA	O
)	O
of	O
traditional	O
512-byte	O
disk	B-Application
sectors	I-Application
.	O
</s>
<s>
All	O
modern	O
personal	O
computer	B-General_Concept
operating	I-General_Concept
systems	I-General_Concept
support	O
GPT	O
.	O
</s>
<s>
Some	O
,	O
including	O
macOS	B-Application
and	O
Microsoft	B-Application
Windows	I-Application
on	O
the	O
x86	B-Operating_System
architecture	I-Operating_System
,	O
support	O
booting	O
from	O
GPT	B-Application
partitions	I-Application
only	O
on	O
systems	O
with	O
EFI	O
firmware	O
,	O
but	O
FreeBSD	B-Operating_System
and	O
most	O
Linux	B-Application
distributions	I-Application
can	O
boot	O
from	O
GPT	B-Application
partitions	I-Application
on	O
systems	O
with	O
either	O
the	O
BIOS	B-Operating_System
or	O
the	O
EFI	O
firmware	O
interface	O
.	O
</s>
<s>
The	O
Master	B-Device
Boot	I-Device
Record	I-Device
(	O
MBR	B-Device
)	O
partitioning	B-Application
scheme	O
,	O
widely	O
used	O
since	O
the	O
early	O
1980s	O
,	O
imposed	O
limitations	O
for	O
use	O
of	O
modern	O
hardware	O
.	O
</s>
<s>
For	O
hard	B-Device
disks	I-Device
with	O
512byte	O
sectors	O
,	O
the	O
MBR	B-Device
partition	B-Application
table	O
entries	O
allow	O
a	O
maximum	O
size	O
of	O
2TiB	O
(	O
2³²×	O
512bytes	O
)	O
or	O
2.20TB	O
(	O
2.20	O
×	O
10¹²bytes	O
)	O
.	O
</s>
<s>
In	O
the	O
late	O
1990s	O
,	O
Intel	O
developed	O
a	O
new	O
partition	B-Application
table	O
format	O
as	O
part	O
of	O
what	O
eventually	O
became	O
the	O
Unified	B-Architecture
Extensible	I-Architecture
Firmware	I-Architecture
Interface	I-Architecture
(	O
UEFI	B-Architecture
)	O
.	O
</s>
<s>
The	O
GUID	B-Application
Partition	I-Application
Table	I-Application
is	O
specified	O
in	O
chapter	O
5	O
of	O
the	O
UEFI	B-Architecture
2.8	O
specification	O
.	O
</s>
<s>
In	O
2010	O
,	O
hard-disk	B-Device
manufacturers	O
introduced	O
drives	O
with	O
4,096	O
byte	O
sectors	O
(	O
Advanced	B-Device
Format	I-Device
)	O
.	O
</s>
<s>
For	O
compatibility	O
with	O
legacy	O
hardware	O
and	O
software	O
,	O
those	O
drives	O
include	O
an	O
emulation	O
technology	O
(	O
512e	O
)	O
that	O
presents	O
512byte	O
sectors	O
to	O
the	O
entity	O
accessing	O
the	O
hard	B-Device
drive	I-Device
,	O
despite	O
their	O
underlying	O
4,096	O
byte	O
physical	O
sectors	O
.	O
</s>
<s>
Readiness	O
of	O
the	O
support	O
for	O
4KB	O
logical	O
sectors	O
within	O
operating	B-General_Concept
systems	I-General_Concept
differs	O
among	O
their	O
types	O
,	O
vendors	O
and	O
versions	O
.	O
</s>
<s>
For	O
example	O
,	O
Microsoft	B-Application
Windows	I-Application
supports	O
4Knative	O
drives	O
since	O
Windows	B-Application
8	O
and	O
Windows	B-Device
Server	I-Device
2012	I-Device
(	O
both	O
released	O
in	O
2012	O
)	O
in	O
UEFI	B-Architecture
.	O
</s>
<s>
Like	O
MBR	B-Device
,	O
GPTs	O
use	O
logical	B-Device
block	I-Device
addressing	I-Device
(	O
LBA	O
)	O
in	O
place	O
of	O
the	O
historical	O
cylinder-head-sector	B-Device
(	O
CHS	O
)	O
addressing	O
.	O
</s>
<s>
The	O
protective	O
MBR	B-Device
is	O
stored	O
at	O
LBA	O
0	O
,	O
and	O
the	O
GPT	O
header	O
is	O
in	O
LBA	O
1	O
.	O
</s>
<s>
The	O
GPT	O
header	O
has	O
a	O
pointer	O
to	O
the	O
partition	B-Application
table	O
(	O
Partition	B-Application
Entry	O
Array	O
)	O
,	O
which	O
is	O
typically	O
at	O
LBA	O
2	O
.	O
</s>
<s>
Each	O
entry	O
on	O
the	O
partition	B-Application
table	O
has	O
a	O
size	O
of	O
128	O
bytes	O
.	O
</s>
<s>
The	O
UEFI	B-Architecture
specification	O
stipulates	O
that	O
a	O
minimum	O
of	O
16,384	O
bytes	O
,	O
regardless	O
of	O
sector	O
size	O
,	O
are	O
allocated	O
for	O
the	O
Partition	B-Application
Entry	O
Array	O
.	O
</s>
<s>
Thus	O
,	O
on	O
a	O
disk	O
with	O
512-byte	O
sectors	O
,	O
at	O
least	O
32	O
sectors	O
are	O
used	O
for	O
the	O
Partition	B-Application
Entry	O
Array	O
,	O
and	O
the	O
first	O
usable	O
block	O
is	O
at	O
LBA	O
34	O
or	O
higher	O
,	O
while	O
on	O
a	O
4,096	O
-byte	O
sectors	O
disk	O
,	O
at	O
least	O
4	O
sectors	O
are	O
used	O
for	O
the	O
Partition	B-Application
Entry	O
Array	O
,	O
and	O
the	O
first	O
usable	O
block	O
is	O
at	O
LBA	O
6	O
or	O
higher	O
.	O
</s>
<s>
For	O
limited	O
backward	O
compatibility	O
,	O
the	O
space	O
of	O
the	O
legacy	O
Master	B-Device
Boot	I-Device
Record	I-Device
(	O
MBR	B-Device
)	O
is	O
still	O
reserved	O
in	O
the	O
GPT	O
specification	O
,	O
but	O
it	O
is	O
now	O
used	O
in	O
a	O
way	O
that	O
prevents	O
MBR-based	O
disk	O
utilities	O
from	O
misrecognizing	O
and	O
possibly	O
overwriting	O
GPT	B-Application
disks	I-Application
.	O
</s>
<s>
This	O
is	O
referred	O
to	O
as	O
a	O
protective	O
MBR	B-Device
.	O
</s>
<s>
A	O
single	O
partition	B-Application
of	O
type	O
,	O
encompassing	O
the	O
entire	O
GPT	O
drive	O
(	O
where	O
"	O
entire	O
"	O
actually	O
means	O
as	O
much	O
of	O
the	O
drive	O
as	O
can	O
be	O
represented	O
in	O
an	O
MBR	B-Device
)	O
,	O
is	O
indicated	O
and	O
identifies	O
it	O
as	O
GPT	O
.	O
</s>
<s>
Operating	B-General_Concept
systems	I-General_Concept
and	O
tools	O
which	O
cannot	O
read	O
GPT	B-Application
disks	I-Application
will	O
generally	O
recognize	O
the	O
disk	O
as	O
containing	O
one	O
partition	B-Application
of	O
unknown	O
type	O
and	O
no	O
empty	O
space	O
,	O
and	O
will	O
typically	O
refuse	O
to	O
modify	O
the	O
disk	O
unless	O
the	O
user	O
explicitly	O
requests	O
and	O
confirms	O
the	O
deletion	O
of	O
this	O
partition	B-Application
.	O
</s>
<s>
Furthermore	O
,	O
GPT-aware	O
OSes	O
may	O
check	O
the	O
protective	O
MBR	B-Device
and	O
if	O
the	O
enclosed	O
partition	B-Application
type	O
is	O
not	O
of	O
type	O
or	O
if	O
there	O
are	O
multiple	O
partitions	B-Application
defined	O
on	O
the	O
target	O
device	O
,	O
the	O
OS	O
may	O
refuse	O
to	O
manipulate	O
the	O
partition	B-Application
table	O
.	O
</s>
<s>
If	O
the	O
actual	O
size	O
of	O
the	O
disk	O
exceeds	O
the	O
maximum	O
partition	B-Application
size	O
representable	O
using	O
the	O
legacy	O
32-bit	O
LBA	O
entries	O
in	O
the	O
MBR	B-Device
partition	B-Application
table	O
,	O
the	O
recorded	O
size	O
of	O
this	O
partition	B-Application
is	O
clipped	O
at	O
the	O
maximum	O
,	O
thereby	O
ignoring	O
the	O
rest	O
of	O
the	O
disk	O
.	O
</s>
<s>
This	O
amounts	O
to	O
a	O
maximum	O
reported	O
size	O
of	O
2TiB	O
,	O
assuming	O
a	O
disk	O
with	O
512	B-Application
bytes	I-Application
per	O
sector	O
(	O
see	O
512e	O
)	O
.	O
</s>
<s>
It	O
would	O
result	O
in	O
16TiB	O
with	O
4KiB	O
sectors	O
(	O
4Kn	O
)	O
,	O
but	O
since	O
many	O
older	O
operating	B-General_Concept
systems	I-General_Concept
and	O
tools	O
are	O
hard	O
coded	O
for	O
a	O
sector	O
size	O
of	O
512	B-Application
bytes	I-Application
or	O
are	O
limited	O
to	O
32-bit	O
calculations	O
,	O
exceeding	O
the	O
2TiB	O
limit	O
could	O
cause	O
compatibility	O
problems	O
.	O
</s>
<s>
In	O
operating	B-General_Concept
systems	I-General_Concept
that	O
support	O
GPT-based	O
boot	O
through	O
BIOS	B-Operating_System
services	O
rather	O
than	O
EFI	O
,	O
the	O
first	O
sector	O
may	O
also	O
still	O
be	O
used	O
to	O
store	O
the	O
first	O
stage	O
of	O
the	O
bootloader	O
code	O
,	O
but	O
modified	O
to	O
recognize	O
GPT	B-Application
partitions	I-Application
.	O
</s>
<s>
The	O
bootloader	O
in	O
the	O
MBR	B-Device
must	O
not	O
assume	O
a	O
sector	O
size	O
of	O
512	B-Application
bytes	I-Application
.	O
</s>
<s>
The	O
partition	B-Application
table	O
header	O
defines	O
the	O
usable	O
blocks	O
on	O
the	O
disk	O
.	O
</s>
<s>
It	O
also	O
defines	O
the	O
number	O
and	O
size	O
of	O
the	O
partition	B-Application
entries	O
that	O
make	O
up	O
the	O
partition	B-Application
table	O
(	O
offsets	O
80	O
and	O
84	O
in	O
the	O
table	O
)	O
.	O
</s>
<s>
+	O
GUID	O
partition	B-Application
entry	O
format	O
Offset	O
Length	O
Contents	O
0	O
(	O
0x00	O
)	O
16	O
bytes	O
Partition	B-Application
type	O
GUID	O
(	O
mixed	O
endian	O
)	O
16	O
(	O
0x10	O
)	O
16	O
bytes	O
Unique	O
partition	B-Application
GUID	O
(	O
mixed	O
endian	O
)	O
32	O
(	O
0x20	O
)	O
8	O
bytes	O
First	O
LBA	O
(	O
little	O
endian	O
)	O
40	O
(	O
0x28	O
)	O
8	O
bytes	O
Last	O
LBA	O
(	O
inclusive	O
,	O
usually	O
odd	O
)	O
48	O
(	O
0x30	O
)	O
8	O
bytes	O
Attribute	O
flags	O
(	O
e.g.	O
</s>
<s>
After	O
the	O
header	O
,	O
the	O
Partition	B-Application
Entry	O
Array	O
describes	O
partitions	B-Application
,	O
using	O
a	O
minimum	O
size	O
of	O
128	O
bytes	O
for	O
each	O
entry	O
block	O
.	O
</s>
<s>
The	O
first	O
16bytes	O
of	O
each	O
entry	O
designate	O
the	O
partition	B-Application
type	O
's	O
globally	O
unique	O
identifier	O
(	O
GUID	O
)	O
.	O
</s>
<s>
For	O
example	O
,	O
the	O
GUID	O
for	O
an	O
EFI	B-Device
system	I-Device
partition	I-Device
is	O
.	O
</s>
<s>
The	O
second	O
16bytes	O
are	O
a	O
GUID	O
unique	O
to	O
the	O
partition	B-Application
.	O
</s>
<s>
Then	O
follow	O
the	O
starting	O
and	O
ending	O
64	O
bit	O
LBAs	O
,	O
partition	B-Application
attributes	O
,	O
and	O
the	O
36	O
character	O
(	O
max	O
.	O
)	O
</s>
<s>
Unicode	O
partition	B-Application
name	O
.	O
</s>
<s>
As	O
is	O
the	O
nature	O
and	O
purpose	O
of	O
GUIDs	O
and	O
as	O
per	O
RFC	O
4122	O
,	O
no	O
central	O
registry	O
is	O
needed	O
to	O
ensure	O
the	O
uniqueness	O
of	O
the	O
GUID	O
partition	B-Application
type	O
designators	O
.	O
</s>
<s>
The	O
64-bit	O
partition	B-Application
table	O
attributes	O
are	O
shared	O
between	O
48-bit	O
common	O
attributes	O
for	O
all	O
partition	B-Application
types	O
,	O
and	O
16-bit	O
type-specific	O
attributes	O
:	O
</s>
<s>
Microsoft	O
defines	O
the	O
type-specific	O
attributes	O
for	O
basic	B-Application
data	I-Application
partition	I-Application
as	O
:	O
</s>
<s>
+	O
Basic	B-Application
data	I-Application
partition	I-Application
attributes	O
Bit	O
Content	O
60	O
Read-only	O
61	O
Shadow	O
copy	O
(	O
of	O
another	O
partition	B-Application
)	O
62	O
Hidden	O
63	O
No	O
drive	O
letter	O
(	O
i.e.	O
</s>
<s>
Google	O
defines	O
the	O
type-specific	O
attributes	O
for	O
ChromeOS	B-Operating_System
kernel	O
as	O
:	O
</s>
<s>
+	O
Details	O
of	O
GPT	O
support	O
on	O
UNIX	O
and	O
Unix-like	B-Operating_System
operating	I-Operating_System
systems	I-Operating_System
OS	O
family	O
Version	O
or	O
edition	O
Platform	O
Read	O
and	O
write	O
support	O
Boot	O
support	O
Note	O
FreeBSD	B-Operating_System
Since	O
7.0	O
IA-32	B-Device
,	O
x86-64	B-Device
,	O
ARM	B-Architecture
In	O
a	O
hybrid	O
configuration	O
,	O
both	O
GPT	O
and	O
MBR	B-Device
partition	B-Application
identifiers	O
may	O
be	O
used	O
.	O
</s>
<s>
Linux	B-Application
Most	O
of	O
the	O
x86	B-Operating_System
Linux	B-Application
distributionsFedora	O
8+	O
and	O
Ubuntu	B-Operating_System
8.04	O
+	O
IA-32	B-Device
,	O
x86-64	B-Device
Tools	O
such	O
as	O
gdisk	B-Application
,	O
GNU	B-Application
Parted	I-Application
,	O
util-linux	B-Application
v2.23	O
+	O
fdisk	B-Application
,	O
SYSLINUX	B-Application
,	O
GRUB	B-Application
0.96	I-Application
+	I-Application
patches	I-Application
and	O
GRUB	B-Application
2	I-Application
have	O
been	O
GPT-enabled	O
.	O
</s>
<s>
Limited	O
to	O
256	O
partitions	B-Application
per	O
disk	O
.	O
</s>
<s>
macOS	B-Application
Since	O
10.4.0	O
(	O
some	O
features	O
since	O
10.4.6	O
)	O
IA-32	B-Device
,	O
x86-64	B-Device
,	O
PowerPC	B-Architecture
,	O
Apple	B-Device
silicon	I-Device
Only	O
Intel	O
and	O
Apple	B-Device
silicon	I-Device
Macintosh	O
computers	O
can	O
boot	O
from	O
GPT	O
.	O
</s>
<s>
MidnightBSD	B-Application
Since	O
0.4-CURRENT	O
IA-32	B-Device
,	O
x86-64	B-Device
In	O
a	O
hybrid	O
configuration	O
,	O
both	O
GPT	O
and	O
MBR	B-Device
partition	B-Application
identifiers	O
may	O
be	O
used	O
.	O
</s>
<s>
NetBSD	B-Device
Since	O
6.0	O
.	O
x86	B-Operating_System
,	O
.	O
</s>
<s>
x86-64	B-Device
.	O
</s>
<s>
OpenBSD	B-Operating_System
Since	O
5.9	O
x86	B-Device
64	I-Device
.	O
</s>
<s>
Windows	B-Device
7	I-Device
and	O
earlier	O
do	O
not	O
support	O
UEFI	B-Architecture
on	O
32-bit	O
platforms	O
,	O
and	O
therefore	O
do	O
not	O
allow	O
booting	O
from	O
GPT	B-Application
partitions	I-Application
.	O
</s>
<s>
+	O
Details	O
of	O
GPT	O
support	O
on	O
32-bit	O
editions	O
of	O
Microsoft	B-Application
Windows	I-Application
OS	I-Application
version	O
Release	O
date	O
Platform	O
Read	O
or	O
write	O
support	O
Boot	O
support	O
Note	O
Windows	B-Application
9x	O
1995-08-24	O
IA-32	B-Device
Windows	B-Application
XP	I-Application
2001-10-25	O
IA-32	B-Device
Windows	B-Application
Server	I-Application
2003	I-Application
2003-04-24	O
IA-32	B-Device
Windows	B-Application
Server	I-Application
2003	I-Application
SP1	O
2005-03-30	O
IA-32	B-Device
MBR	B-Device
takes	O
precedence	O
in	O
hybrid	O
configuration	O
.	O
</s>
<s>
Windows	B-Application
Vista	I-Application
2006-07-22	O
IA-32	B-Device
MBR	B-Device
takes	O
precedence	O
in	O
hybrid	O
configuration	O
.	O
</s>
<s>
Windows	B-Device
Server	I-Device
2008	I-Device
2008-02-27	O
IA-32	B-Device
MBR	B-Device
takes	O
precedence	O
in	O
hybrid	O
configuration	O
.	O
</s>
<s>
Windows	B-Device
7	I-Device
2009-10-22	O
IA-32	B-Device
MBR	B-Device
takes	O
precedence	O
in	O
hybrid	O
configuration	O
.	O
</s>
<s>
Windows	B-Application
8	I-Application
2012-08-01	O
IA-32	B-Device
Windows	B-Application
8	I-Application
32-bit	O
supports	O
booting	O
from	O
UEFI-based	O
PC	B-Device
(	O
x86-32	B-Device
only	O
)	O
using	O
GPT-based	O
disks	O
.	O
</s>
<s>
MBR	B-Device
takes	O
precedence	O
in	O
hybrid	O
configuration	O
.	O
</s>
<s>
Windows	B-Device
8.1	I-Device
2013-08-27	O
IA-32	B-Device
Windows	B-Device
8.1	I-Device
32-bit	O
supports	O
booting	O
from	O
UEFI-based	O
PC	B-Device
(	O
x86-32	B-Device
only	O
)	O
using	O
GPT-based	O
disks	O
.	O
</s>
<s>
MBR	B-Device
takes	O
precedence	O
in	O
hybrid	O
configuration	O
.	O
</s>
<s>
Windows	B-Operating_System
10	I-Operating_System
2015-07-29	O
IA-32	B-Device
Windows	B-Operating_System
10	I-Operating_System
32-bit	O
supports	O
booting	O
from	O
UEFI-based	O
PC	B-Device
(	O
x86-32	B-Device
only	O
)	O
using	O
GPT-based	O
disks	O
.	O
</s>
<s>
MBR	B-Device
takes	O
precedence	O
in	O
hybrid	O
configuration	O
.	O
</s>
<s>
Limited	O
to	O
128	O
partitions	B-Application
per	O
disk	O
.	O
</s>
<s>
+	O
Details	O
of	O
GPT	O
support	O
on	O
64-bit	O
editions	O
of	O
Microsoft	B-Application
Windows	I-Application
OS	I-Application
version	O
Release	O
date	O
Platform	O
Read	O
and	O
write	O
support	O
Boot	O
support	O
Note	O
Windows	B-Application
XP	I-Application
64-Bit	O
Edition	O
for	O
Itanium	B-General_Concept
systems	O
,	O
Version	O
2002	O
2001-10-25	O
IA-64	B-General_Concept
MBR	B-Device
takes	O
precedence	O
in	O
hybrid	O
configuration	O
.	O
</s>
<s>
Windows	B-Application
XP	I-Application
64-Bit	O
Edition	O
,	O
Version	O
2003	O
2003-03-28	O
IA-64	B-General_Concept
MBR	B-Device
takes	O
precedence	O
in	O
hybrid	O
configuration	O
.	O
</s>
<s>
Windows	B-Operating_System
XP	I-Operating_System
Professional	I-Operating_System
x64	I-Operating_System
EditionWindows	O
Server	O
2003	O
2005-04-25Microsoft	O
raises	O
the	O
speed	O
limit	O
with	O
the	O
availability	O
of	O
64-bit	O
editions	O
of	O
Windows	B-Application
Server	I-Application
2003	I-Application
and	O
Windows	B-Operating_System
XP	I-Operating_System
Professional	I-Operating_System
x64	I-Operating_System
MBR	B-Device
takes	O
precedence	O
in	O
hybrid	O
configuration	O
.	O
</s>
<s>
Windows	B-Application
Server	I-Application
2003	I-Application
2005-04-25	O
IA-64	B-General_Concept
MBR	B-Device
takes	O
precedence	O
in	O
hybrid	O
configuration	O
.	O
</s>
<s>
Windows	B-Application
Vista	I-Application
2006-07-22	O
x64	B-Device
MBR	B-Device
takes	O
precedence	O
in	O
hybrid	O
configuration	O
.	O
</s>
<s>
Windows	B-Device
Server	I-Device
2008	I-Device
2008-02-27	O
x64	B-Device
MBR	B-Device
takes	O
precedence	O
in	O
hybrid	O
configuration	O
.	O
</s>
<s>
Windows	B-Device
Server	I-Device
2008	I-Device
2008-02-27	O
IA-64	B-General_Concept
MBR	B-Device
takes	O
precedence	O
in	O
hybrid	O
configuration	O
.	O
</s>
<s>
Windows	B-Device
7	I-Device
2009-10-22	O
x64	B-Device
MBR	B-Device
takes	O
precedence	O
in	O
hybrid	O
configuration	O
.	O
</s>
<s>
Windows	B-Device
Server	I-Device
2008	I-Device
R2	I-Device
2009-10-22	O
IA-64	B-General_Concept
MBR	B-Device
takes	O
precedence	O
in	O
hybrid	O
configuration	O
.	O
</s>
<s>
Windows	B-Application
8Windows	O
Server	B-Device
2012	I-Device
2012-08-01	O
x64	B-Device
Windows	B-Application
8	I-Application
64-bit	O
supports	O
booting	O
from	O
UEFI-based	O
PC	B-Device
(	O
x86-64	B-Device
only	O
)	O
using	O
GPT-based	O
disks	O
.	O
</s>
<s>
MBR	B-Device
takes	O
precedence	O
in	O
hybrid	O
configuration	O
.	O
</s>
<s>
Windows	B-Device
8.1	I-Device
2013-08-27	O
x64	B-Device
Windows	B-Device
8.1	I-Device
64-bit	O
supports	O
booting	O
from	O
UEFI-based	O
PC	B-Device
(	O
x86-64	B-Device
only	O
)	O
using	O
GPT-based	O
disks	O
.	O
</s>
<s>
MBR	B-Device
takes	O
precedence	O
in	O
hybrid	O
configuration	O
.	O
</s>
<s>
Windows	B-Operating_System
10	I-Operating_System
2015-07-29	O
x64	B-Device
Windows	B-Operating_System
10	I-Operating_System
64-bit	O
supports	O
booting	O
from	O
UEFI-based	O
PC	B-Device
(	O
x86-64	B-Device
only	O
)	O
using	O
GPT-based	O
disks	O
.	O
</s>
<s>
MBR	B-Device
takes	O
precedence	O
in	O
hybrid	O
configuration	O
.	O
</s>
<s>
Windows	B-Device
Server	I-Device
2016	I-Device
2016-10-12	O
x64	B-Device
MBR	B-Device
takes	O
precedence	O
in	O
hybrid	O
configuration	O
.	O
</s>
<s>
Windows	B-Device
Server	I-Device
2019	I-Device
2018-10-02	O
x64	B-Device
MBR	B-Device
takes	O
precedence	O
in	O
hybrid	O
configuration	O
.	O
</s>
<s>
Windows	B-Device
Server	I-Device
2022	I-Device
2021-08-18Microsoft	O
'	O
s	O
'	O
Weirdest	O
Release	O
 '	O
:	O
Windows	B-Device
Server	I-Device
2022	I-Device
Quietly	O
Becomes	O
Generally	O
Available	O
x64	B-Device
MBR	B-Device
takes	O
precedence	O
in	O
hybrid	O
configuration	O
.	O
</s>
<s>
Windows	B-Application
11	I-Application
2021-10-05	O
x64	B-Device
,	O
ARM64	O
MBR	B-Device
takes	O
precedence	O
in	O
hybrid	O
configuration	O
.	O
</s>
<s>
Each	O
partition	B-Application
has	O
a	O
"	O
partition	B-Application
type	O
GUID	O
"	O
that	O
identifies	O
the	O
type	O
of	O
the	O
partition	B-Application
and	O
therefore	O
partitions	B-Application
of	O
the	O
same	O
type	O
will	O
all	O
have	O
the	O
same	O
"	O
partition	B-Application
type	O
GUID	O
"	O
.	O
</s>
<s>
Each	O
partition	B-Application
also	O
has	O
a	O
"	O
partition	B-Application
unique	O
GUID	O
"	O
as	O
a	O
separate	O
entry	O
,	O
which	O
as	O
the	O
name	O
implies	O
is	O
a	O
unique	O
id	O
for	O
each	O
partition	B-Application
.	O
</s>
<s>
Operating	B-General_Concept
system	I-General_Concept
Partition	B-Application
type	O
Globally	O
unique	O
identifier	O
(	O
GUID	O
)	O
rowspan	O
=	O
"	O
7	O
"	O
Unused	O
entry	O
MBR	B-Device
partition	B-Application
scheme	O
EFI	B-Device
System	I-Device
partition	I-Device
BIOS	B-Device
boot	I-Device
partition	I-Device
Intel	O
Fast	O
Flash	O
(	O
iFFS	O
)	O
partition	B-Application
(	O
for	O
Intel	O
Rapid	O
Start	O
technology	O
)	O
Sony	O
boot	O
partitionLenovo	O
boot	O
partition	B-Application
Windows	B-Application
Microsoft	I-Application
Reserved	O
Partition	B-Application
(	O
MSR	O
)	O
Basic	B-Application
data	I-Application
partition	I-Application
Logical	O
Disk	O
Manager	O
(	O
LDM	O
)	O
metadata	O
partition	B-Application
Logical	O
Disk	O
Manager	O
data	O
partition	B-Application
Windows	B-Application
Recovery	O
Environment	O
IBM	B-Application
General	I-Application
Parallel	I-Application
File	I-Application
System	I-Application
(	O
GPFS	B-Application
)	O
partition	B-Application
Storage	O
Spaces	O
partition	B-Application
Storage	O
Replica	B-Operating_System
partitionKnown	O
issues	O
with	O
Storage	O
Replica	B-Operating_System
HP-UX	B-Application
Data	O
partition	B-Application
Service	O
partition	B-Application
LinuxThe	O
Discoverable	O
Partitions	B-Application
Specification	O
(	O
DPS	O
)	O
systemd-gpt-auto-generator(8 )	O
Home	O
DirectoriesThe	O
Boot	O
Loader	O
Specification	O
Linux	B-Application
filesystem	O
data	O
RAID	O
partition	B-Application
Root	O
partition	B-Application
(	O
x86	B-Operating_System
)	O
Root	O
partition	B-Application
(	O
x86-64	B-Device
)	O
Root	O
partition	B-Application
(	O
32-bit	O
ARM	B-Architecture
)	O
Root	O
partition	B-Application
(	O
64-bit	O
ARM/AArch64	O
)	O
partition	B-Application
Swap	O
partition	B-Application
Logical	B-Application
Volume	I-Application
Manager	I-Application
(	O
LVM	O
)	O
partition	B-Application
partition	B-Application
(	O
server	O
data	O
)	O
partition	B-Application
Plain	O
dm-crypt	O
partition	B-Application
LUKS	O
partition	B-Application
Reserved	O
FreeBSD	B-Operating_System
Boot	O
partition	B-Application
BSD	B-Application
disklabel	I-Application
partition	B-Application
Swap	O
partition	B-Application
Unix	B-Operating_System
File	I-Operating_System
System	I-Operating_System
(	O
UFS	B-Operating_System
)	O
partition	B-Application
Vinum	B-Application
volume	I-Application
manager	I-Application
partition	B-Application
ZFS	B-Application
partition	B-Application
nandfs	O
partition	B-Application
macOSDarwin	O
Hierarchical	B-Application
File	I-Application
System	I-Application
Plus	I-Application
(	O
HFS+	B-Application
)	O
partition	B-Application
Apple	O
APFS	B-Application
containerAPFS	O
FileVault	O
volume	O
container	O
Apple	O
UFS	B-Operating_System
container	O
ZFS	B-Application
Apple	O
RAID	O
partition	B-Application
Apple	O
RAID	O
partition	B-Application
,	O
offline	O
Apple	O
Boot	O
partition	B-Application
(	O
Recovery	O
HD	O
)	O
Apple	O
Label	O
Apple	O
TV	O
Recovery	O
partition	B-Application
Apple	O
Core	B-Operating_System
Storage	I-Operating_System
ContainerHFS+	O
FileVault	O
volume	O
container	O
Apple	O
APFS	B-Application
Preboot	O
partition	B-Application
Apple	O
APFS	B-Application
Recovery	O
partition	B-Application
Solarisillumos	O
Boot	O
partition	B-Application
Root	O
partition	B-Application
Swap	O
partition	B-Application
Backup	O
partition	B-Application
partition	B-Application
partition	B-Application
partition	B-Application
Alternate	O
sector	O
Reserved	O
partition	B-Application
NetBSD	B-Device
Swap	O
partition	B-Application
FFS	B-Operating_System
partition	B-Application
LFS	B-Application
partition	B-Application
RAID	O
partition	B-Application
Concatenated	O
partition	B-Application
Encrypted	O
partition	B-Application
ChromeOS	B-Operating_System
ChromeOS	B-Operating_System
kernel	O
ChromeOS	B-Operating_System
rootfs	O
ChromeOS	B-Operating_System
firmware	O
ChromeOS	B-Operating_System
future	O
use	O
ChromeOS	B-Operating_System
miniOS	O
ChromeOS	B-Operating_System
hibernate	O
Container	B-Application
Linux	I-Application
by	I-Application
CoreOS	I-Application
/usr	O
partition	B-Application
(	O
coreos-usr	O
)	O
Resizable	O
rootfs	O
(	O
coreos-resize	O
)	O
OEM	O
customizations	O
(	O
coreos-reserved	O
)	O
Root	O
filesystem	O
on	O
RAID	O
(	O
coreos-root-raid	O
)	O
Haikusrc/add-ons/kernel/partitioning_systems/gpt/gpt_known_guids.h	O
Haiku	B-Language
BFS	O
MidnightBSDhttp://www.midnightbsd.org/cgi-bin/cvsweb.cgi/src/sys/sys/gpt.h.diff	O
?	O
r1	O
=	O
1.4	O
;	O
r2	O
=	O
1.5	O
src/sys/sys/gpt.hBoot	O
partition	B-Application
Data	O
partition	B-Application
Swap	O
partition	B-Application
Unix	B-Operating_System
File	I-Operating_System
System	I-Operating_System
(	O
UFS	B-Operating_System
)	O
partition	B-Application
Vinum	B-Application
volume	I-Application
manager	I-Application
partition	B-Application
ZFS	B-Application
partition	B-Application
Ceph	B-Operating_System
Journal	O
dm-crypt	O
journal	O
OSD	O
dm-crypt	O
OSD	O
Disk	O
in	O
creation	O
dm-crypt	O
disk	O
in	O
creation	O
Block	O
Block	O
DB	O
Block	O
write-ahead	O
log	O
Lockbox	O
for	O
dm-crypt	O
keys	O
Multipath	O
OSD	O
Multipath	O
journal	O
Multipath	O
block	O
Multipath	O
block	O
Multipath	O
block	O
DB	O
Multipath	O
block	O
write-ahead	O
log	O
dm-crypt	O
block	O
dm-crypt	O
block	O
DB	O
dm-crypt	O
block	O
write-ahead	O
log	O
dm-crypt	O
LUKS	O
journal	O
dm-crypt	O
LUKS	O
block	O
dm-crypt	O
LUKS	O
block	O
DB	O
dm-crypt	O
LUKS	O
block	O
write-ahead	O
log	O
dm-crypt	O
LUKS	O
OSD	O
OpenBSD	B-Operating_System
Data	O
partition	B-Application
QNX	B-Operating_System
Power-safe	O
(	O
QNX6	O
)	O
file	O
systemQNX	O
Power-safe	O
filesystem	O
Plan	B-Operating_System
9	I-Operating_System
Plan	B-Operating_System
9	I-Operating_System
partition	B-Application
VMware	B-Operating_System
ESX	I-Operating_System
vmkcore	O
(	O
coredump	B-Error_Name
partition	B-Application
)	O
VMFS	B-Application
filesystem	O
partition	B-Application
VMware	O
Reserved	O
Android-IA	O
Bootloader	O
Bootloader2	O
Boot	O
Recovery	O
Misc	O
Metadata	O
System	O
Cache	O
Data	O
Persistent	O
Vendor	O
Config	O
Factory	O
Factory	O
(	O
alt	O
)	O
Fastboot	O
/	O
Tertiary	O
OEM	O
Android	B-Application
6.0	I-Application
+	I-Application
ARM	I-Application
Android	B-Application
Meta	O
Android	B-Application
EXT	O
Open	B-Application
Network	I-Application
Install	I-Application
Environment	I-Application
(	O
ONIE	B-Application
)	O
Boot	O
Config	O
PowerPC	B-Architecture
PReP	O
boot	O
freedesktop.org	B-Application
OSes	O
(	O
Linux	B-Application
,	O
etc	O
.	O
)	O
</s>
