GUID Partition Table

The GUID Partition Table (GPT) is a standard for the layout of partition tables of a physical computer storage device, such as a hard disk drive or solid-state drive. It is part of the Unified Extensible Firmware Interface (UEFI) standard.
It has several advantages over master boot record (MBR) partition tables, such as support for more than four primary partitions and 64-bit rather than 32-bit logical block addresses (LBA) for blocks on a storage device. The larger LBA size supports larger disks.
Some BIOSes support GPT partition tables as well as MBR partition tables, in order to support larger disks than MBR partition tables can support.
GPT uses universally unique identifiers (UUIDs), which are also known as globally unique identifiers (GUIDs), to identify partitions and partition types.
All modern personal computer operating systems support GPT. Some, including macOS and Microsoft Windows on the x86 architecture, support booting from GPT partitions only on systems with EFI firmware, but FreeBSD and most Linux distributions can boot from GPT partitions on systems with either the BIOS or the EFI firmware interface.
History
Script error: No such module "Labelled list hatnote".
The Master Boot Record (MBR) partitioning scheme, widely used since the early 1980s, had limitations when it came to modern hardware. The available size for block addresses and related information is limited to 32 bits. For hard disks with 512‑byte sectors, the MBR partition table entries allow a maximum size of 2 TiB (232 × 512‑bytes) or 2.20 TB (2.20 × 1012 bytes).[1]
In the late 1990s, Intel developed a new partition table format as part of what eventually became the Unified Extensible Firmware Interface (UEFI). The GUID Partition Table is specified in chapter 5 of the UEFI 2.11 specification.[2]Template:Rp GPT uses 64 bits for logical block addresses, allowing a maximum disk size of 264 sectors. For disks with 512‑byte sectors, the maximum size is 8 ZiB (264 × 512‑bytes) or 9.44 ZB (9.44 × 1021 bytes).[1] For disks with 4,096‑byte sectors the maximum size is 64 ZiB (264 × 4,096‑bytes) or 75.6 ZB (75.6 × 1021 bytes).
In 2010, hard-disk manufacturers introduced drives with 4,096‑byte sectors (Advanced Format).[3] For compatibility with legacy hardware and software, those drives include an emulation technology (512e) that presents 512‑byte sectors to the entity accessing the hard drive, despite their underlying 4,096‑byte physical sectors.[4] Performance could be degraded on write operations, when the drive is forced to perform two read-modify-write operations to satisfy a single misaligned 4,096‑byte write operation.[4] Since April 2014, enterprise-class drives without emulation technology (4K native) have been available on the market.[5][6]
Readiness of the support for 4 KB logical sectors within operating systems differs among their types, vendors and versions.[7] For example, Microsoft Windows supports 4K native drives since Windows 8 and Windows Server 2012 (both released in 2012) in UEFI.[8]
Features
Like MBR, GPT uses logical block addressing (LBA) in place of the historical cylinder-head-sector (CHS) addressing. The protective MBR is stored at LBA 0, and the GPT header is in LBA 1. The GPT header has a pointer to the partition table (Partition Entry Array), which is typically at LBA 2. Each entry in the partition table has the same size, which is 128 or 256 or 512, etc., bytes; typically this size is 128 bytes. The UEFI specification stipulates that a minimum of 16,384 bytes, regardless of sector size, are allocated for the Partition Entry Array. Thus, on a disk with 512-byte sectors, at least 32 sectors are used for the Partition Entry Array, and the first usable block is at LBA 34 or higher, while on a 4,096-byte sector disk, at least 4 sectors are used for the Partition Entry Array, and the first usable block is at LBA 6 or higher. In addition to the primary GPT header and Partition Entry Array, stored at the beginning of the disk, there is a backup GPT header and Partition Entry Array, stored at the end of the disk. The backup GPT header must be at the last block on the disk (LBA -1) and the backup Partition Entry Array is placed between the end of the last partition and the last block.[2]Template:R/superscript
MBR variants
Protective MBR (LBA 0)
For limited backward compatibility, the space of the legacy Master Boot Record (MBR) is still reserved in the GPT specification, but it is now used in a way that prevents MBR-based disk utilities from misrecognizing and possibly overwriting GPT disks. This is referred to as a protective MBR.[9]
A single partition of type EEh, encompassing the entire GPT drive (where "entire" actually means as much of the drive as can be represented in an MBR), is indicated and identifies it as GPT. Operating systems and tools which cannot read GPT disks will generally recognize the disk as containing one partition of unknown type and no empty space, and will typically refuse to modify the disk unless the user explicitly requests and confirms the deletion of this partition. This minimizes accidental erasures.[9] Furthermore, GPT-aware OSes may check the protective MBR and if the enclosed partition type is not of type Page Template:Mono/styles.css has no content.EEh or if there are multiple partitions defined on the target device, the OS may refuse to manipulate the partition table.[10]
If the actual size of the disk exceeds the maximum partition size representable using the legacy 32-bit LBA entries in the MBR partition table, the recorded size of this partition is clipped at the maximum, thereby ignoring the rest of the disk. This amounts to a maximum reported size of 2 TiB, assuming a disk with 512 bytes per sector (see 512e). It would result in 16 TiB with 4 KiB sectors (4Kn), but since many older operating systems and tools are hard coded for a sector size of 512 bytes or are limited to 32-bit calculations, exceeding the 2 TiB limit could cause compatibility problems.[9]
Hybrid MBR (LBA 0 + GPT)
In operating systems that support GPT-based boot through BIOS services rather than EFI, the first sector may also still be used to store the first stage of the bootloader code, but modified to recognize GPT partitions. The bootloader in the MBR must not assume a sector size of 512 bytes.[9]
Partition table header (LBA 1)
| Offset | Length | Contents |
|---|---|---|
| 0 (0x00) | 8 bytes | Signature ("EFI PART", Page Template:Mono/styles.css has no content.45h 46h 49h 20h 50h 41h 52h 54h or Page Template:Mono/styles.css has no content.0x5452415020494645ULL[a] on little-endian machines) |
| 8 (0x08) | 4 bytes | Revision number of header - 1.0 (Page Template:Mono/styles.css has no content.00h 00h 01h 00h) for UEFI 2.10 |
| 12 (0x0C) | 4 bytes | Header size in little endian (in bytes, usually Page Template:Mono/styles.css has no content.5Ch 00h 00h 00h or 92 bytes) |
| 16 (0x10) | 4 bytes | CRC-32 of header (offset +0 to +0x5B) in little endian, with this field zeroed during calculation |
| 20 (0x14) | 4 bytes | Reserved; must be zero |
| 24 (0x18) | 8 bytes | Current LBA (location of this header copy) |
| 32 (0x20) | 8 bytes | Backup LBA (location of the other header copy) |
| 40 (0x28) | 8 bytes | First usable LBA for partitions (primary partition table last LBA + 1) |
| 48 (0x30) | 8 bytes | Last usable LBA for partitions (secondary partition table first LBA − 1) |
| 56 (0x38) | 16 bytes | Disk GUID in little endian[b] |
| 72 (0x48) | 8 bytes | Starting LBA of array of partition entries (usually 2 for compatibility) |
| 80 (0x50) | 4 bytes | Number of partition entries in array |
| 84 (0x54) | 4 bytes | Size of a single partition entry (usually Page Template:Mono/styles.css has no content.80h or 128) |
| 88 (0x58) | 4 bytes | CRC-32 of partition entries array in little endian |
| 92 (0x5C) | * | Reserved; must be zeroes for the rest of the block (420 bytes for a sector size of 512 bytes; but can be more with larger sector sizes) |
The partition table header defines the usable blocks on the disk. It also defines the number and size of the partition entries that make up the partition table (offsets 80 and 84 in the table).[2]Template:R/superscript
Partition entries (LBA 2–33)
| Offset | Length | Contents |
|---|---|---|
| 0 (0x00) | 16 bytes | Partition type GUID (little endian[b]) |
| 16 (0x10) | 16 bytes | Unique partition GUID (little endian[b]) |
| 32 (0x20) | 8 bytes | First LBA (little endian) |
| 40 (0x28) | 8 bytes | Last LBA (inclusive, usually odd) |
| 48 (0x30) | 8 bytes | Attribute flags (e.g. bit 60 denotes read-only) |
| 56 (0x38) | 72 bytes | Partition name (36 UTF-16LE code units) |
After the primary header and before the backup header, the Partition Entry Array describes partitions, using a minimum size of 128 bytes for each entry block.[13] The starting location of the array on disk, and the size of each entry, are given in the GPT header. The first 16 bytes of each entry designate the partition type's globally unique identifier (GUID). For example, the GUID for an EFI system partition is Page Template:Mono/styles.css has no content.C12A7328-F81F-11D2-BA4B-00A0C93EC93B. The second 16 bytes are a GUID unique to the partition. Then follow the starting and ending 64 bit LBAs, partition attributes, and the 36 character (max.) Unicode partition name. As is the nature and purpose of GUIDs and as per RFC 4122, no central registry is needed to ensure the uniqueness of the GUID partition type designators.[14][2]Template:Rp
The 64-bit partition table attributes are shared between 48-bit common attributes for all partition types, and 16-bit type-specific attributes:
| Bit | Content |
|---|---|
| 0 | Platform required (required by the computer to function properly, OEM partition for example, disk partitioning utilities must preserve the partition as is) |
| 1 | EFI firmware should ignore the content of the partition and not try to read from it |
| 2 | Legacy BIOS bootable (equivalent to active flag (typically bit 7 set) at offset Page Template:Mono/styles.css has no content.+0h in partition entries of the MBR partition table)[15] |
| 3–47 | Reserved for future use |
| 48–63 | Defined and used by the individual partition type |
Microsoft defines the type-specific attributes for basic data partition as:[16][17]
| Bit | Content |
|---|---|
| 60 | Read-only |
| 61 | Shadow copy (of another partition) |
| 62 | Hidden |
| 63 | No drive letter (i.e. do not automount) |
Google defines the type-specific attributes for ChromeOS kernel as:[18]
| Bit | Content |
|---|---|
| 56 | Successful boot flag |
| 55–52 | Tries remaining |
| 51–48 | Priority (15: highest, 1: lowest, 0: not bootable) |
Operating-system support
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UNIX and Unix-like systems
| OS family | Version or edition | Platform | Read and write support | Boot support | Note |
|---|---|---|---|---|---|
| FreeBSD | Since 7.0 | IA-32, x86-64, ARM | Yes | Yes | In a hybrid configuration, both GPT and MBR partition identifiers may be used. |
| Linux | Most of the x86 Linux distributions Fedora 8+ and Ubuntu 8.04+[19] |
IA-32, x86-64, ARM | Yes | Yes | Tools such as gdisk, GNU Parted,[20][21] util-linux v2.23+ fdisk,[22][23] SYSLINUX, GRUB 0.96 + patches and GRUB 2 have been GPT-enabled. Limited to 256 partitions per disk.[24] |
| macOS | Since 10.4.0 (some features since 10.4.6)[25] | IA-32, x86-64, PowerPC, Apple silicon | Yes | Yes | Only Intel and Apple silicon Macs can boot from GPT.[26] |
| MidnightBSD | Since 0.4-CURRENT | IA-32, x86-64 | Yes | Yes | In a hybrid configuration, both GPT and MBR partition identifiers may be used. |
| NetBSD | Since 6.0[27] | IA-32,[28] x86-64,[29] ARM | Yes | Yes | |
| OpenBSD | Since 5.9 | IA-32, x86-64, ARM | Yes | Yes | [30] |
| Solaris | Since Solaris 10 | IA-32, x86-64, SPARC | Yes | Yes | [31] |
| HP-UX | Since HP-UX 11.20 | IA-64 | Yes | Yes | [32] |
Windows: 32-bit versions
Windows 7 and earlier do not support UEFI on 32-bit platforms, and therefore do not allow booting from GPT partitions.[33]
| OS version | Release date | Platform | Read or write support | Boot support | Note |
|---|---|---|---|---|---|
| Windows 9x | 1995-08-24 | IA-32 | No[c] | No | |
| Windows XP | 2001-10-25 | IA-32 | No | No | |
| Windows Server 2003 | 2003-04-24 | IA-32 | No | No | |
| Windows Server 2003 SP1 | 2005-03-30 | IA-32 | Yes | No | MBR takes precedence in hybrid configuration. |
| Windows Vista | 2006-07-22 | IA-32 | Yes | No | MBR takes precedence in hybrid configuration. |
| Windows Server 2008 | 2008-02-27 | IA-32 | Yes | No | MBR takes precedence in hybrid configuration. |
| Windows 7 | 2009-10-22 | IA-32 | Yes | No | MBR takes precedence in hybrid configuration. |
| Windows 8 | 2012-08-01 | IA-32 | Yes | Requires UEFI[34] | MBR takes precedence in hybrid configuration. |
| Windows 8.1 | 2013-08-27 | IA-32 | Yes | Requires UEFI[35] | MBR takes precedence in hybrid configuration. |
| Windows 10 | 2015-07-29 | IA-32, ARM32 | Yes | Requires UEFI[36] | MBR takes precedence in hybrid configuration. |
Windows: 64-bit versions
Limited to 128 partitions per disk.[33]
| OS version | Release date | Platform | Read and write support | Boot support | Note |
|---|---|---|---|---|---|
| Windows XP 64-Bit Edition for Itanium systems, Version 2002 | 2001-10-25 | IA-64 | Yes | Yes | MBR takes precedence in hybrid configuration. |
| Windows XP 64-Bit Edition, Version 2003 | 2003-03-28 | IA-64 | Yes | Yes | MBR takes precedence in hybrid configuration. |
| Windows XP Professional x64 Edition Windows Server 2003 |
2005-04-25[37] | x64 | Yes | No[d] | MBR takes precedence in hybrid configuration. |
| Windows Server 2003 | 2005-04-25 | IA-64 | Yes | Yes | MBR takes precedence in hybrid configuration. |
| Windows Vista | 2006-07-22 | x64 | Yes | Requires UEFI[e] | MBR takes precedence in hybrid configuration. |
| Windows Server 2008 | 2008-02-27 | x64 | Yes | Requires UEFI | MBR takes precedence in hybrid configuration. |
| Windows Server 2008 | 2008-02-27 | IA-64 | Yes | Yes | MBR takes precedence in hybrid configuration. |
| Windows 7 | 2009-10-22 | x64 | Yes | Requires UEFI[f] | MBR takes precedence in hybrid configuration. |
| Windows Server 2008 R2 | 2009-10-22 | IA-64 | Yes | Yes | MBR takes precedence in hybrid configuration. |
| Windows 8 Windows Server 2012 |
2012-08-01 | x64 | Yes | Requires UEFI[39] | MBR takes precedence in hybrid configuration. |
| Windows 8.1 | 2013-08-27 | x64 | Yes | Requires UEFI[40] | MBR takes precedence in hybrid configuration. |
| Windows 10 | 2015-07-29 | x64, ARM64 | Yes | Requires UEFI[41] | MBR takes precedence in hybrid configuration. |
| Windows Server 2016 | 2016-10-12 | x64 | Yes | Requires UEFI | MBR takes precedence in hybrid configuration. |
| Windows Server 2019 | 2018-10-02 | x64 | Yes | Requires UEFI | MBR takes precedence in hybrid configuration. |
| Windows Server 2022 | 2021-08-18[42] | x64 | Yes | Requires UEFI | MBR takes precedence in hybrid configuration. |
| Windows 11 | 2021-10-05 | x64, ARM64 | Yes | Yes | UEFI is a system requirement for Windows 11. |
| Windows Server 2025 | 2024-11-01 | x64 | Yes | Yes | UEFI is a system requirement for Windows Server 2025. |
Partition type GUIDs
"Partition type GUID" means that each partition type is strictly identified by a GUID number unique to that type, and therefore partitions of the same type will all have the same "partition type GUID". Each partition also has a "partition unique GUID" as a separate entry, which as the name implies is a unique id for each partition.
| Operating system | Partition type | Globally unique identifier (GUID)[g] | |
|---|---|---|---|
| OS-independent | Unused entry | Page Template:Mono/styles.css has no content.00000000-0000-0000-0000-000000000000 | |
| MBR partition scheme | Page Template:Mono/styles.css has no content.024DEE41-33E7-11D3-9D69-0008C781F39F | ||
| EFI System partition | Page Template:Mono/styles.css has no content.C12A7328-F81F-11D2-BA4B-00A0C93EC93B | ||
| BIOS boot partition[h] | Page Template:Mono/styles.css has no content.21686148-6449-6E6F-744E-656564454649 | ||
| Intel Fast Flash (iFFS) partition (for Intel Rapid Start technology)[43][44] | Page Template:Mono/styles.css has no content.D3BFE2DE-3DAF-11DF-BA40-E3A556D89593 | ||
| Sony boot partition[i] | Page Template:Mono/styles.css has no content.F4019732-066E-4E12-8273-346C5641494F | ||
| Lenovo boot partition[i] | Page Template:Mono/styles.css has no content.BFBFAFE7-A34F-448A-9A5B-6213EB736C22 | ||
| Windows | Microsoft Reserved Partition (MSR)[46] | Page Template:Mono/styles.css has no content.E3C9E316-0B5C-4DB8-817D-F92DF00215AE | |
| Basic data partition[46][j] | Page Template:Mono/styles.css has no content.EBD0A0A2-B9E5-4433-87C0-68B6B72699C7 | ||
| Logical Disk Manager (LDM) metadata partition[46] | Page Template:Mono/styles.css has no content.5808C8AA-7E8F-42E0-85D2-E1E90434CFB3 | ||
| Logical Disk Manager data partition[46] | Page Template:Mono/styles.css has no content.AF9B60A0-1431-4F62-BC68-3311714A69AD | ||
| Windows Recovery Environment[46] | Page Template:Mono/styles.css has no content.DE94BBA4-06D1-4D40-A16A-BFD50179D6AC | ||
| IBM General Parallel File System (GPFS) partition | Page Template:Mono/styles.css has no content.37AFFC90-EF7D-4E96-91C3-2D7AE055B174 | ||
| Storage Spaces partition[48] | Page Template:Mono/styles.css has no content.E75CAF8F-F680-4CEE-AFA3-B001E56EFC2D | ||
| Storage Replica partition[49] | Page Template:Mono/styles.css has no content.558D43C5-A1AC-43C0-AAC8-D1472B2923D1 | ||
| S2D Cache[50] | Page Template:Mono/styles.css has no content.EEFF8352-DD2A-44DB-AE83-BEE1CF7481DC | ||
| S2D Cache Metadata[50] | Page Template:Mono/styles.css has no content.03AAA829-EBFC-4E7E-AAC9-C4D76C63B24B | ||
| HP-UX | Data partition | Page Template:Mono/styles.css has no content.75894C1E-3AEB-11D3-B7C1-7B03A0000000 | |
| Service partition | Page Template:Mono/styles.css has no content.E2A1E728-32E3-11D6-A682-7B03A0000000 | ||
| Linux[51][52][53][54] | Linux filesystem data[j] | Page Template:Mono/styles.css has no content.0FC63DAF-8483-4772-8E79-3D69D8477DE4 | |
| RAID partition[55] | Page Template:Mono/styles.css has no content.A19D880F-05FC-4D3B-A006-743F0F84911E | ||
| Root partition | Alpha[51] | Page Template:Mono/styles.css has no content.6523F8AE-3EB1-4E2A-A05A-18B695AE656F | |
| ARC[51] | Page Template:Mono/styles.css has no content.D27F46ED-2919-4CB8-BD25-9531F3C16534 | ||
| ARM 32‐bit[51] | Page Template:Mono/styles.css has no content.69DAD710-2CE4-4E3C-B16C-21A1D49ABED3 | ||
| AArch64[51] | Page Template:Mono/styles.css has no content.B921B045-1DF0-41C3-AF44-4C6F280D3FAE | ||
| IA-64[51] | Page Template:Mono/styles.css has no content.993D8D3D-F80E-4225-855A-9DAF8ED7EA97 | ||
| LoongArch 64‐bit[51] | Page Template:Mono/styles.css has no content.77055800-792C-4F94-B39A-98C91B762BB6 | ||
| mips: 32‐bit MIPS big‐endian[51] | Page Template:Mono/styles.css has no content.E9434544-6E2C-47CC-BAE2-12D6DEAFB44C | ||
| mips64: 64‐bit MIPS big‐endian[51] | Page Template:Mono/styles.css has no content.D113AF76-80EF-41B4-BDB6-0CFF4D3D4A25 | ||
| mipsel: 32‐bit MIPS little‐endian[51] | Page Template:Mono/styles.css has no content.37C58C8A-D913-4156-A25F-48B1B64E07F0 | ||
| mips64el: 64‐bit MIPS little‐endian[51] | Page Template:Mono/styles.css has no content.700BDA43-7A34-4507-B179-EEB93D7A7CA3 | ||
| PA-RISC[51] | Page Template:Mono/styles.css has no content.1AACDB3B-5444-4138-BD9E-E5C2239B2346 | ||
| 32‐bit PowerPC[51] | Page Template:Mono/styles.css has no content.1DE3F1EF-FA98-47B5-8DCD-4A860A654D78 | ||
| 64‐bit PowerPC big‐endian[51] | Page Template:Mono/styles.css has no content.912ADE1D-A839-4913-8964-A10EEE08FBD2 | ||
| 64‐bit PowerPC little‐endian[51] | Page Template:Mono/styles.css has no content.C31C45E6-3F39-412E-80FB-4809C4980599 | ||
| RISC-V 32‐bit[51] | Page Template:Mono/styles.css has no content.60D5A7FE-8E7D-435C-B714-3DD8162144E1 | ||
| RISC-V 64‐bit[51] | Page Template:Mono/styles.css has no content.72EC70A6-CF74-40E6-BD49-4BDA08E8F224 | ||
| s390[51] | Page Template:Mono/styles.css has no content.08A7ACEA-624C-4A20-91E8-6E0FA67D23F9 | ||
| s390x[51] | Page Template:Mono/styles.css has no content.5EEAD9A9-FE09-4A1E-A1D7-520D00531306 | ||
| TILE-Gx[51] | Page Template:Mono/styles.css has no content.C50CDD70-3862-4CC3-90E1-809A8C93EE2C | ||
| x86[51] | Page Template:Mono/styles.css has no content.44479540-F297-41B2-9AF7-D131D5F0458A | ||
| x86-64[51] | Page Template:Mono/styles.css has no content.4F68BCE3-E8CD-4DB1-96E7-FBCAF984B709 | ||
| Page Template:Mono/styles.css has no content./usr partition | Alpha[51] | Page Template:Mono/styles.css has no content.E18CF08C-33EC-4C0D-8246-C6C6FB3DA024 | |
| ARC[51] | Page Template:Mono/styles.css has no content.7978A683-6316-4922-BBEE-38BFF5A2FECC | ||
| ARM 32‐bit[51] | Page Template:Mono/styles.css has no content.7D0359A3-02B3-4F0A-865C-654403E70625 | ||
| AArch64[51] | Page Template:Mono/styles.css has no content.B0E01050-EE5F-4390-949A-9101B17104E9 | ||
| IA-64[51] | Page Template:Mono/styles.css has no content.4301D2A6-4E3B-4B2A-BB94-9E0B2C4225EA | ||
| LoongArch 64‐bit[51] | Page Template:Mono/styles.css has no content.E611C702-575C-4CBE-9A46-434FA0BF7E3F | ||
| mips: 32‐bit MIPS big‐endian[51] | Page Template:Mono/styles.css has no content.773B2ABC-2A99-4398-8BF5-03BAAC40D02B | ||
| mips64: 64‐bit MIPS big‐endian[51] | Page Template:Mono/styles.css has no content.57E13958-7331-4365-8E6E-35EEEE17C61B | ||
| mipsel: 32‐bit MIPS little‐endian[51] | Page Template:Mono/styles.css has no content.0F4868E9-9952-4706-979F-3ED3A473E947 | ||
| mips64el: 64‐bit MIPS little‐endian[51] | Page Template:Mono/styles.css has no content.C97C1F32-BA06-40B4-9F22-236061B08AA8 | ||
| PA-RISC[51] | Page Template:Mono/styles.css has no content.DC4A4480-6917-4262-A4EC-DB9384949F25 | ||
| 32‐bit PowerPC[51] | Page Template:Mono/styles.css has no content.7D14FEC5-CC71-415D-9D6C-06BF0B3C3EAF | ||
| 64‐bit PowerPC big‐endian[51] | Page Template:Mono/styles.css has no content.2C9739E2-F068-46B3-9FD0-01C5A9AFBCCA | ||
| 64‐bit PowerPC little‐endian[51] | Page Template:Mono/styles.css has no content.15BB03AF-77E7-4D4A-B12B-C0D084F7491C | ||
| RISC-V 32‐bit[51] | Page Template:Mono/styles.css has no content.B933FB22-5C3F-4F91-AF90-E2BB0FA50702 | ||
| RISC-V 64‐bit[51] | Page Template:Mono/styles.css has no content.BEAEC34B-8442-439B-A40B-984381ED097D | ||
| s390[51] | Page Template:Mono/styles.css has no content.CD0F869B-D0FB-4CA0-B141-9EA87CC78D66 | ||
| s390x[51] | Page Template:Mono/styles.css has no content.8A4F5770-50AA-4ED3-874A-99B710DB6FEA | ||
| TILE-Gx[51] | Page Template:Mono/styles.css has no content.55497029-C7C1-44CC-AA39-815ED1558630 | ||
| x86[51] | Page Template:Mono/styles.css has no content.75250D76-8CC6-458E-BD66-BD47CC81A812 | ||
| x86-64[51] | Page Template:Mono/styles.css has no content.8484680C-9521-48C6-9C11-B0720656F69E | ||
| Root verity partition for dm-verity | Alpha[51] | Page Template:Mono/styles.css has no content.FC56D9E9-E6E5-4C06-BE32-E74407CE09A5 | |
| ARC [51] | Page Template:Mono/styles.css has no content.24B2D975-0F97-4521-AFA1-CD531E421B8D | ||
| ARM 32‐bit [51] | Page Template:Mono/styles.css has no content.7386CDF2-203C-47A9-A498-F2ECCE45A2D6 | ||
| AArch64 [51] | Page Template:Mono/styles.css has no content.DF3300CE-D69F-4C92-978C-9BFB0F38D820 | ||
| IA-64 [51] | Page Template:Mono/styles.css has no content.86ED10D5-B607-45BB-8957-D350F23D0571 | ||
| LoongArch 64‐bit [51] | Page Template:Mono/styles.css has no content.F3393B22-E9AF-4613-A948-9D3BFBD0C535 | ||
| mips: 32‐bit MIPS big‐endian [51] | Page Template:Mono/styles.css has no content.7A430799-F711-4C7E-8E5B-1D685BD48607 | ||
| mips64: 64‐bit MIPS big‐endian [51] | Page Template:Mono/styles.css has no content.579536F8-6A33-4055-A95A-DF2D5E2C42A8 | ||
| mipsel: 32‐bit MIPS little‐endian [51] | Page Template:Mono/styles.css has no content.D7D150D2-2A04-4A33-8F12-16651205FF7B | ||
| mips64el: 64‐bit MIPS little‐endian [51] | Page Template:Mono/styles.css has no content.16B417F8-3E06-4F57-8DD2-9B5232F41AA6 | ||
| PA-RISC [51] | Page Template:Mono/styles.css has no content.D212A430-FBC5-49F9-A983-A7FEEF2B8D0E | ||
| 64‐bit PowerPC little‐endian [51] | Page Template:Mono/styles.css has no content.906BD944-4589-4AAE-A4E4-DD983917446A | ||
| 64‐bit PowerPC big‐endian [51] | Page Template:Mono/styles.css has no content.9225A9A3-3C19-4D89-B4F6-EEFF88F17631 | ||
| 32‐bit PowerPC [51] | Page Template:Mono/styles.css has no content.98CFE649-1588-46DC-B2F0-ADD147424925 | ||
| RISC-V 32‐bit [51] | Page Template:Mono/styles.css has no content.AE0253BE-1167-4007-AC68-43926C14C5DE | ||
| RISC-V 64‐bit [51] | Page Template:Mono/styles.css has no content.B6ED5582-440B-4209-B8DA-5FF7C419EA3D | ||
| s390 [51] | Page Template:Mono/styles.css has no content.7AC63B47-B25C-463B-8DF8-B4A94E6C90E1 | ||
| s390x [51] | Page Template:Mono/styles.css has no content.B325BFBE-C7BE-4AB8-8357-139E652D2F6B | ||
| TILE-Gx [51] | Page Template:Mono/styles.css has no content.966061EC-28E4-4B2E-B4A5-1F0A825A1D84 | ||
| x86-64 [51] | Page Template:Mono/styles.css has no content.2C7357ED-EBD2-46D9-AEC1-23D437EC2BF5 | ||
| x86 [51] | Page Template:Mono/styles.css has no content.D13C5D3B-B5D1-422A-B29F-9454FDC89D76 | ||
| Page Template:Mono/styles.css has no content./usr verity partition for dm-verity | Alpha [51] | Page Template:Mono/styles.css has no content.8CCE0D25-C0D0-4A44-BD87-46331BF1DF67 | |
| ARC [51] | Page Template:Mono/styles.css has no content.FCA0598C-D880-4591-8C16-4EDA05C7347C | ||
| ARM 32‐bit [51] | Page Template:Mono/styles.css has no content.C215D751-7BCD-4649-BE90-6627490A4C05 | ||
| AArch64 [51] | Page Template:Mono/styles.css has no content.6E11A4E7-FBCA-4DED-B9E9-E1A512BB664E | ||
| IA-64 [51] | Page Template:Mono/styles.css has no content.6A491E03-3BE7-4545-8E38-83320E0EA880 | ||
| LoongArch 64‐bit [51] | Page Template:Mono/styles.css has no content.F46B2C26-59AE-48F0-9106-C50ED47F673D | ||
| mips: 32‐bit MIPS big‐endian [51] | Page Template:Mono/styles.css has no content.6E5A1BC8-D223-49B7-BCA8-37A5FCCEB996 | ||
| mips64: 64‐bit MIPS big‐endian [51] | Page Template:Mono/styles.css has no content.81CF9D90-7458-4DF4-8DCF-C8A3A404F09B | ||
| mipsel: 32‐bit MIPS little‐endian [51] | Page Template:Mono/styles.css has no content.46B98D8D-B55C-4E8F-AAB3-37FCA7F80752 | ||
| mips64el: 64‐bit MIPS little‐endian [51] | Page Template:Mono/styles.css has no content.3C3D61FE-B5F3-414D-BB71-8739A694A4EF | ||
| PA-RISC [51] | Page Template:Mono/styles.css has no content.5843D618-EC37-48D7-9F12-CEA8E08768B2 | ||
| 64‐bit PowerPC little‐endian [51] | Page Template:Mono/styles.css has no content.EE2B9983-21E8-4153-86D9-B6901A54D1CE | ||
| 64‐bit PowerPC big‐endian [51] | Page Template:Mono/styles.css has no content.BDB528A5-A259-475F-A87D-DA53FA736A07 | ||
| 32‐bit PowerPC [51] | Page Template:Mono/styles.css has no content.DF765D00-270E-49E5-BC75-F47BB2118B09 | ||
| RISC-V 32‐bit [51] | Page Template:Mono/styles.css has no content.CB1EE4E3-8CD0-4136-A0A4-AA61A32E8730 | ||
| RISC-V 64‐bit [51] | Page Template:Mono/styles.css has no content.8F1056BE-9B05-47C4-81D6-BE53128E5B54 | ||
| s390 [51] | Page Template:Mono/styles.css has no content.B663C618-E7BC-4D6D-90AA-11B756BB1797 | ||
| s390x [51] | Page Template:Mono/styles.css has no content.31741CC4-1A2A-4111-A581-E00B447D2D06 | ||
| TILE-Gx [51] | Page Template:Mono/styles.css has no content.2FB4BF56-07FA-42DA-8132-6B139F2026AE | ||
| x86-64 [51] | Page Template:Mono/styles.css has no content.77FF5F63-E7B6-4633-ACF4-1565B864C0E6 | ||
| x86 [51] | Page Template:Mono/styles.css has no content.8F461B0D-14EE-4E81-9AA9-049B6FB97ABD | ||
| Root verity signature partition for dm-verity | Alpha[51] | Page Template:Mono/styles.css has no content.D46495B7-A053-414F-80F7-700C99921EF8 | |
| ARC[51] | Page Template:Mono/styles.css has no content.143A70BA-CBD3-4F06-919F-6C05683A78BC | ||
| ARM 32‐bit[51] | Page Template:Mono/styles.css has no content.42B0455F-EB11-491D-98D3-56145BA9D037 | ||
| AArch64[51] | Page Template:Mono/styles.css has no content.6DB69DE6-29F4-4758-A7A5-962190F00CE3 | ||
| IA-64[51] | Page Template:Mono/styles.css has no content.E98B36EE-32BA-4882-9B12-0CE14655F46A | ||
| LoongArch 64‐bit[51] | Page Template:Mono/styles.css has no content.5AFB67EB-ECC8-4F85-AE8E-AC1E7C50E7D0 | ||
| mips: 32‐bit MIPS big‐endian[51] | Page Template:Mono/styles.css has no content.BBA210A2-9C5D-45EE-9E87-FF2CCBD002D0 | ||
| mips64: 64‐bit MIPS big‐endian[51] | Page Template:Mono/styles.css has no content.43CE94D4-0F3D-4999-8250-B9DEAFD98E6E | ||
| mipsel: 32‐bit MIPS little‐endian[51] | Page Template:Mono/styles.css has no content.C919CC1F-4456-4EFF-918C-F75E94525CA5 | ||
| mips64el: 64‐bit MIPS little‐endian[51] | Page Template:Mono/styles.css has no content.904E58EF-5C65-4A31-9C57-6AF5FC7C5DE7 | ||
| PA-RISC[51] | Page Template:Mono/styles.css has no content.15DE6170-65D3-431C-916E-B0DCD8393F25 | ||
| 64‐bit PowerPC little‐endian[51] | Page Template:Mono/styles.css has no content.D4A236E7-E873-4C07-BF1D-BF6CF7F1C3C6 | ||
| 64‐bit PowerPC big‐endian[51] | Page Template:Mono/styles.css has no content.F5E2C20C-45B2-4FFA-BCE9-2A60737E1AAF | ||
| 32‐bit PowerPC[51] | Page Template:Mono/styles.css has no content.1B31B5AA-ADD9-463A-B2ED-BD467FC857E7 | ||
| RISC-V 32‐bit[51] | Page Template:Mono/styles.css has no content.3A112A75-8729-4380-B4CF-764D79934448 | ||
| RISC-V 64‐bit[51] | Page Template:Mono/styles.css has no content.EFE0F087-EA8D-4469-821A-4C2A96A8386A | ||
| s390[51] | Page Template:Mono/styles.css has no content.3482388E-4254-435A-A241-766A065F9960 | ||
| s390x[51] | Page Template:Mono/styles.css has no content.C80187A5-73A3-491A-901A-017C3FA953E9 | ||
| TILE-Gx[51] | Page Template:Mono/styles.css has no content.B3671439-97B0-4A53-90F7-2D5A8F3AD47B | ||
| x86-64[51] | Page Template:Mono/styles.css has no content.41092B05-9FC8-4523-994F-2DEF0408B176 | ||
| x86[51] | Page Template:Mono/styles.css has no content.5996FC05-109C-48DE-808B-23FA0830B676 | ||
| Page Template:Mono/styles.css has no content./usr verity signature partition for dm-verity | Alpha[51] | Page Template:Mono/styles.css has no content.5C6E1C76-076A-457A-A0FE-F3B4CD21CE6E | |
| ARC[51] | Page Template:Mono/styles.css has no content.94F9A9A1-9971-427A-A400-50CB297F0F35 | ||
| ARM 32‐bit[51] | Page Template:Mono/styles.css has no content.D7FF812F-37D1-4902-A810-D76BA57B975A | ||
| AArch64[51] | Page Template:Mono/styles.css has no content.C23CE4FF-44BD-4B00-B2D4-B41B3419E02A | ||
| IA-64[51] | Page Template:Mono/styles.css has no content.8DE58BC2-2A43-460D-B14E-A76E4A17B47F | ||
| LoongArch 64‐bit[51] | Page Template:Mono/styles.css has no content.B024F315-D330-444C-8461-44BBDE524E99 | ||
| mips: 32‐bit MIPS big‐endian[51] | Page Template:Mono/styles.css has no content.97AE158D-F216-497B-8057-F7F905770F54 | ||
| mips64: 64‐bit MIPS big‐endian[51] | Page Template:Mono/styles.css has no content.05816CE2-DD40-4AC6-A61D-37D32DC1BA7D | ||
| mipsel: 32‐bit MIPS little‐endian[51] | Page Template:Mono/styles.css has no content.3E23CA0B-A4BC-4B4E-8087-5AB6A26AA8A9 | ||
| mips64el: 64‐bit MIPS little‐endian[51] | Page Template:Mono/styles.css has no content.F2C2C7EE-ADCC-4351-B5C6-EE9816B66E16 | ||
| PA-RISC[51] | Page Template:Mono/styles.css has no content.450DD7D1-3224-45EC-9CF2-A43A346D71EE | ||
| 64‐bit PowerPC little‐endian[51] | Page Template:Mono/styles.css has no content.C8BFBD1E-268E-4521-8BBA-BF314C399557 | ||
| 64‐bit PowerPC big‐endian[51] | Page Template:Mono/styles.css has no content.0B888863-D7F8-4D9E-9766-239FCE4D58AF | ||
| 32‐bit PowerPC[51] | Page Template:Mono/styles.css has no content.7007891D-D371-4A80-86A4-5CB875B9302E | ||
| RISC-V 32‐bit[51] | Page Template:Mono/styles.css has no content.C3836A13-3137-45BA-B583-B16C50FE5EB4 | ||
| RISC-V 64‐bit[51] | Page Template:Mono/styles.css has no content.D2F9000A-7A18-453F-B5CD-4D32F77A7B32 | ||
| s390[51] | Page Template:Mono/styles.css has no content.17440E4F-A8D0-467F-A46E-3912AE6EF2C5 | ||
| s390x[51] | Page Template:Mono/styles.css has no content.3F324816-667B-46AE-86EE-9B0C0C6C11B4 | ||
| TILE-Gx[51] | Page Template:Mono/styles.css has no content.4EDE75E2-6CCC-4CC8-B9C7-70334B087510 | ||
| x86-64[51] | Page Template:Mono/styles.css has no content.E7BB33FB-06CF-4E81-8273-E543B413E2E2 | ||
| x86[51] | Page Template:Mono/styles.css has no content.974A71C0-DE41-43C3-BE5D-5C5CCD1AD2C0 | ||
| Page Template:Mono/styles.css has no content./boot, as an Extended Boot Loader (XBOOTLDR) partition[51][52] | Page Template:Mono/styles.css has no content.BC13C2FF-59E6-4262-A352-B275FD6F7172 | ||
| Swap partition[51][52] | Page Template:Mono/styles.css has no content.0657FD6D-A4AB-43C4-84E5-0933C84B4F4F | ||
| Logical Volume Manager (LVM) partition[55] | Page Template:Mono/styles.css has no content.E6D6D379-F507-44C2-A23C-238F2A3DF928 | ||
| Page Template:Mono/styles.css has no content./home partition[51][52] | Page Template:Mono/styles.css has no content.933AC7E1-2EB4-4F13-B844-0E14E2AEF915 | ||
| Page Template:Mono/styles.css has no content./srv (server data) partition[51][52] | Page Template:Mono/styles.css has no content.3B8F8425-20E0-4F3B-907F-1A25A76F98E8 | ||
| Per‐user home partition[51] | Page Template:Mono/styles.css has no content.773F91EF-66D4-49B5-BD83-D683BF40AD16 | ||
| Plain dm-crypt partition[56][57][58] | Page Template:Mono/styles.css has no content.7FFEC5C9-2D00-49B7-8941-3EA10A5586B7 | ||
| LUKS partition[56][57][58][59] | Page Template:Mono/styles.css has no content.CA7D7CCB-63ED-4C53-861C-1742536059CC | ||
| Reserved | Page Template:Mono/styles.css has no content.8DA63339-0007-60C0-C436-083AC8230908 | ||
| GNU/Hurd[60] | Linux filesystem data[k] | Page Template:Mono/styles.css has no content.0FC63DAF-8483-4772-8E79-3D69D8477DE4 | |
| Linux Swap partition[l] | Page Template:Mono/styles.css has no content.0657FD6D-A4AB-43C4-84E5-0933C84B4F4F | ||
| FreeBSD | Boot partition[62] | Page Template:Mono/styles.css has no content.83BD6B9D-7F41-11DC-BE0B-001560B84F0F | |
| BSD disklabel partition[62] | Page Template:Mono/styles.css has no content.516E7CB4-6ECF-11D6-8FF8-00022D09712B | ||
| Swap partition[62] | Page Template:Mono/styles.css has no content.516E7CB5-6ECF-11D6-8FF8-00022D09712B | ||
| Unix File System (UFS) partition[62] | Page Template:Mono/styles.css has no content.516E7CB6-6ECF-11D6-8FF8-00022D09712B | ||
| Vinum volume manager partition[62] | Page Template:Mono/styles.css has no content.516E7CB8-6ECF-11D6-8FF8-00022D09712B | ||
| ZFS partition[62] | Page Template:Mono/styles.css has no content.516E7CBA-6ECF-11D6-8FF8-00022D09712B | ||
| nandfs partition[63] | Page Template:Mono/styles.css has no content.74BA7DD9-A689-11E1-BD04-00E081286ACF | ||
| macOS Darwin |
Hierarchical File System Plus (HFS+) partition | Page Template:Mono/styles.css has no content.48465300-0000-11AA-AA11-00306543ECAC | |
| Apple APFS container APFS FileVault volume container |
Page Template:Mono/styles.css has no content.7C3457EF-0000-11AA-AA11-00306543ECAC | ||
| Apple UFS container | Page Template:Mono/styles.css has no content.55465300-0000-11AA-AA11-00306543ECAC | ||
| ZFS[m] | Page Template:Mono/styles.css has no content.6A898CC3-1DD2-11B2-99A6-080020736631 | ||
| Apple RAID partition | Page Template:Mono/styles.css has no content.52414944-0000-11AA-AA11-00306543ECAC | ||
| Apple RAID partition, offline | Page Template:Mono/styles.css has no content.52414944-5F4F-11AA-AA11-00306543ECAC | ||
| Apple Boot partition (Recovery HD) | Page Template:Mono/styles.css has no content.426F6F74-0000-11AA-AA11-00306543ECAC | ||
| Apple Label | Page Template:Mono/styles.css has no content.4C616265-6C00-11AA-AA11-00306543ECAC | ||
| Apple TV Recovery partition | Page Template:Mono/styles.css has no content.5265636F-7665-11AA-AA11-00306543ECAC | ||
| Apple Core Storage Container HFS+ FileVault volume container |
Page Template:Mono/styles.css has no content.53746F72-6167-11AA-AA11-00306543ECAC | ||
| Apple APFS Preboot partition | Page Template:Mono/styles.css has no content.69646961-6700-11AA-AA11-00306543ECAC | ||
| Apple APFS Recovery partition | Page Template:Mono/styles.css has no content.52637672-7900-11AA-AA11-00306543ECAC | ||
| Solaris illumos |
Boot partition | Page Template:Mono/styles.css has no content.6A82CB45-1DD2-11B2-99A6-080020736631 | |
| Root partition | Page Template:Mono/styles.css has no content.6A85CF4D-1DD2-11B2-99A6-080020736631 | ||
| Swap partition | Page Template:Mono/styles.css has no content.6A87C46F-1DD2-11B2-99A6-080020736631 | ||
| Backup partition | Page Template:Mono/styles.css has no content.6A8B642B-1DD2-11B2-99A6-080020736631 | ||
| Page Template:Mono/styles.css has no content./usr partition[m] | Page Template:Mono/styles.css has no content.6A898CC3-1DD2-11B2-99A6-080020736631 | ||
| Page Template:Mono/styles.css has no content./var partition | Page Template:Mono/styles.css has no content.6A8EF2E9-1DD2-11B2-99A6-080020736631 | ||
| Page Template:Mono/styles.css has no content./home partition | Page Template:Mono/styles.css has no content.6A90BA39-1DD2-11B2-99A6-080020736631 | ||
| Alternate sector | Page Template:Mono/styles.css has no content.6A9283A5-1DD2-11B2-99A6-080020736631 | ||
| Reserved partition | Page Template:Mono/styles.css has no content.6A945A3B-1DD2-11B2-99A6-080020736631 | ||
| Page Template:Mono/styles.css has no content.6A9630D1-1DD2-11B2-99A6-080020736631 | |||
| Page Template:Mono/styles.css has no content.6A980767-1DD2-11B2-99A6-080020736631 | |||
| Page Template:Mono/styles.css has no content.6A96237F-1DD2-11B2-99A6-080020736631 | |||
| Page Template:Mono/styles.css has no content.6A8D2AC7-1DD2-11B2-99A6-080020736631 | |||
| NetBSD[64][n] | Swap partition | Page Template:Mono/styles.css has no content.49F48D32-B10E-11DC-B99B-0019D1879648 | |
| FFS partition | Page Template:Mono/styles.css has no content.49F48D5A-B10E-11DC-B99B-0019D1879648 | ||
| LFS partition | Page Template:Mono/styles.css has no content.49F48D82-B10E-11DC-B99B-0019D1879648 | ||
| RAID partition | Page Template:Mono/styles.css has no content.49F48DAA-B10E-11DC-B99B-0019D1879648 | ||
| Concatenated partition | Page Template:Mono/styles.css has no content.2DB519C4-B10F-11DC-B99B-0019D1879648 | ||
| Encrypted partition | Page Template:Mono/styles.css has no content.2DB519EC-B10F-11DC-B99B-0019D1879648 | ||
| ChromeOS[65] | ChromeOS kernel | Page Template:Mono/styles.css has no content.FE3A2A5D-4F32-41A7-B725-ACCC3285A309 | |
| ChromeOS rootfs | Page Template:Mono/styles.css has no content.3CB8E202-3B7E-47DD-8A3C-7FF2A13CFCEC | ||
| ChromeOS firmware | Page Template:Mono/styles.css has no content.CAB6E88E-ABF3-4102-A07A-D4BB9BE3C1D3 | ||
| ChromeOS future use | Page Template:Mono/styles.css has no content.2E0A753D-9E48-43B0-8337-B15192CB1B5E | ||
| ChromeOS miniOS | Page Template:Mono/styles.css has no content.09845860-705F-4BB5-B16C-8A8A099CAF52 | ||
| ChromeOS hibernate | Page Template:Mono/styles.css has no content.3F0F8318-F146-4E6B-8222-C28C8F02E0D5[66] | ||
| Container Linux by CoreOS[67] | /usr partition (coreos-usr) | Page Template:Mono/styles.css has no content.5DFBF5F4-2848-4BAC-AA5E-0D9A20B745A6 | |
| Resizable rootfs (coreos-resize) | Page Template:Mono/styles.css has no content.3884DD41-8582-4404-B9A8-E9B84F2DF50E | ||
| OEM customizations (coreos-reserved) | Page Template:Mono/styles.css has no content.C95DC21A-DF0E-4340-8D7B-26CBFA9A03E0 | ||
| Root filesystem on RAID (coreos-root-raid) | Page Template:Mono/styles.css has no content.BE9067B9-EA49-4F15-B4F6-F36F8C9E1818 | ||
| Haiku[68] | Haiku BFS | Page Template:Mono/styles.css has no content.42465331-3BA3-10F1-802A-4861696B7521 | |
| MidnightBSD[69][n] | Boot partition | Page Template:Mono/styles.css has no content.85D5E45E-237C-11E1-B4B3-E89A8F7FC3A7 | |
| Data partition | Page Template:Mono/styles.css has no content.85D5E45A-237C-11E1-B4B3-E89A8F7FC3A7 | ||
| Swap partition | Page Template:Mono/styles.css has no content.85D5E45B-237C-11E1-B4B3-E89A8F7FC3A7 | ||
| Unix File System (UFS) partition | Page Template:Mono/styles.css has no content.0394EF8B-237E-11E1-B4B3-E89A8F7FC3A7 | ||
| Vinum volume manager partition | Page Template:Mono/styles.css has no content.85D5E45C-237C-11E1-B4B3-E89A8F7FC3A7 | ||
| ZFS partition | Page Template:Mono/styles.css has no content.85D5E45D-237C-11E1-B4B3-E89A8F7FC3A7 | ||
| Ceph[o] | Journal | Page Template:Mono/styles.css has no content.45B0969E-9B03-4F30-B4C6-B4B80CEFF106 | |
| dm-crypt journal | Page Template:Mono/styles.css has no content.45B0969E-9B03-4F30-B4C6-5EC00CEFF106 | ||
| OSD | Page Template:Mono/styles.css has no content.4FBD7E29-9D25-41B8-AFD0-062C0CEFF05D | ||
| dm-crypt OSD | Page Template:Mono/styles.css has no content.4FBD7E29-9D25-41B8-AFD0-5EC00CEFF05D | ||
| Disk in creation | Page Template:Mono/styles.css has no content.89C57F98-2FE5-4DC0-89C1-F3AD0CEFF2BE | ||
| dm-crypt disk in creation | Page Template:Mono/styles.css has no content.89C57F98-2FE5-4DC0-89C1-5EC00CEFF2BE | ||
| Block | Page Template:Mono/styles.css has no content.CAFECAFE-9B03-4F30-B4C6-B4B80CEFF106 | ||
| Block DB | Page Template:Mono/styles.css has no content.30CD0809-C2B2-499C-8879-2D6B78529876 | ||
| Block write-ahead log | Page Template:Mono/styles.css has no content.5CE17FCE-4087-4169-B7FF-056CC58473F9 | ||
| Lockbox for dm-crypt keys | Page Template:Mono/styles.css has no content.FB3AABF9-D25F-47CC-BF5E-721D1816496B | ||
| Multipath OSD | Page Template:Mono/styles.css has no content.4FBD7E29-8AE0-4982-BF9D-5A8D867AF560 | ||
| Multipath journal | Page Template:Mono/styles.css has no content.45B0969E-8AE0-4982-BF9D-5A8D867AF560 | ||
| Multipath block | Page Template:Mono/styles.css has no content.CAFECAFE-8AE0-4982-BF9D-5A8D867AF560 | ||
| Multipath block | Page Template:Mono/styles.css has no content.7F4A666A-16F3-47A2-8445-152EF4D03F6C | ||
| Multipath block DB | Page Template:Mono/styles.css has no content.EC6D6385-E346-45DC-BE91-DA2A7C8B3261 | ||
| Multipath block write-ahead log | Page Template:Mono/styles.css has no content.01B41E1B-002A-453C-9F17-88793989FF8F | ||
| dm-crypt block | Page Template:Mono/styles.css has no content.CAFECAFE-9B03-4F30-B4C6-5EC00CEFF106 | ||
| dm-crypt block DB | Page Template:Mono/styles.css has no content.93B0052D-02D9-4D8A-A43B-33A3EE4DFBC3 | ||
| dm-crypt block write-ahead log | Page Template:Mono/styles.css has no content.306E8683-4FE2-4330-B7C0-00A917C16966 | ||
| dm-crypt LUKS journal | Page Template:Mono/styles.css has no content.45B0969E-9B03-4F30-B4C6-35865CEFF106 | ||
| dm-crypt LUKS block | Page Template:Mono/styles.css has no content.CAFECAFE-9B03-4F30-B4C6-35865CEFF106 | ||
| dm-crypt LUKS block DB | Page Template:Mono/styles.css has no content.166418DA-C469-4022-ADF4-B30AFD37F176 | ||
| dm-crypt LUKS block write-ahead log | Page Template:Mono/styles.css has no content.86A32090-3647-40B9-BBBD-38D8C573AA86 | ||
| dm-crypt LUKS OSD | Page Template:Mono/styles.css has no content.4FBD7E29-9D25-41B8-AFD0-35865CEFF05D | ||
| OpenBSD | Data partition | Page Template:Mono/styles.css has no content.824CC7A0-36A8-11E3-890A-952519AD3F61 | |
| QNX | Power-safe (QNX6) file system[72] | Page Template:Mono/styles.css has no content.CEF5A9AD-73BC-4601-89F3-CDEEEEE321A1 | |
| Plan 9 | Plan 9 partition | Page Template:Mono/styles.css has no content.C91818F9-8025-47AF-89D2-F030D7000C2C | |
| VMware ESX | vmkcore (coredump partition) | Page Template:Mono/styles.css has no content.9D275380-40AD-11DB-BF97-000C2911D1B8 | |
| VMFS filesystem partition | Page Template:Mono/styles.css has no content.AA31E02A-400F-11DB-9590-000C2911D1B8 | ||
| VMware Reserved | Page Template:Mono/styles.css has no content.9198EFFC-31C0-11DB-8F78-000C2911D1B8 | ||
| Android-IA[73][74][75][76] | Bootloader | Page Template:Mono/styles.css has no content.2568845D-2332-4675-BC39-8FA5A4748D15 | |
| Bootloader2 | Page Template:Mono/styles.css has no content.114EAFFE-1552-4022-B26E-9B053604CF84 | ||
| Boot | Page Template:Mono/styles.css has no content.49A4D17F-93A3-45C1-A0DE-F50B2EBE2599 | ||
| Recovery | Page Template:Mono/styles.css has no content.4177C722-9E92-4AAB-8644-43502BFD5506 | ||
| Misc | Page Template:Mono/styles.css has no content.EF32A33B-A409-486C-9141-9FFB711F6266 | ||
| Metadata | Page Template:Mono/styles.css has no content.20AC26BE-20B7-11E3-84C5-6CFDB94711E9 | ||
| System | Page Template:Mono/styles.css has no content.38F428E6-D326-425D-9140-6E0EA133647C | ||
| Cache | Page Template:Mono/styles.css has no content.A893EF21-E428-470A-9E55-0668FD91A2D9 | ||
| Data | Page Template:Mono/styles.css has no content.DC76DDA9-5AC1-491C-AF42-A82591580C0D | ||
| Persistent | Page Template:Mono/styles.css has no content.EBC597D0-2053-4B15-8B64-E0AAC75F4DB1 | ||
| Vendor | Page Template:Mono/styles.css has no content.C5A0AEEC-13EA-11E5-A1B1-001E67CA0C3C | ||
| Config | Page Template:Mono/styles.css has no content.BD59408B-4514-490D-BF12-9878D963F378 | ||
| Factory | Page Template:Mono/styles.css has no content.8F68CC74-C5E5-48DA-BE91-A0C8C15E9C80 | ||
| Factory (alt)[77] | Page Template:Mono/styles.css has no content.9FDAA6EF-4B3F-40D2-BA8D-BFF16BFB887B | ||
| Fastboot / Tertiary[78][79] | Page Template:Mono/styles.css has no content.767941D0-2085-11E3-AD3B-6CFDB94711E9 | ||
| OEM | Page Template:Mono/styles.css has no content.AC6D7924-EB71-4DF8-B48D-E267B27148FF | ||
| Android 6.0+ ARM | Android Meta | Page Template:Mono/styles.css has no content.19A710A2-B3CA-11E4-B026-10604B889DCF | |
| Android EXT | Page Template:Mono/styles.css has no content.193D1EA4-B3CA-11E4-B075-10604B889DCF | ||
| Open Network Install Environment (ONIE) | Boot | Page Template:Mono/styles.css has no content.7412F7D5-A156-4B13-81DC-867174929325 | |
| Config | Page Template:Mono/styles.css has no content.D4E6E2CD-4469-46F3-B5CB-1BFF57AFC149 | ||
| PowerPC | PReP boot | Page Template:Mono/styles.css has no content.9E1A2D38-C612-4316-AA26-8B49521E5A8B | |
| freedesktop.org OSes (Linux, etc.) | Shared boot loader configuration[80] | Page Template:Mono/styles.css has no content.BC13C2FF-59E6-4262-A352-B275FD6F7172 | |
| Atari TOS | Basic data partition (GEM, BGM, F32) | Page Template:Mono/styles.css has no content.734E5AFE-F61A-11E6-BC64-92361F002671 | |
| Raw data partition (RAW), XHDI | Page Template:Mono/styles.css has no content.35540011-B055-499F-842D-C69AECA357B7 | ||
| VeraCrypt | Encrypted data partition | Page Template:Mono/styles.css has no content.8C8F8EFF-AC95-4770-814A-21994F2DBC8F | |
| OS/2 | ArcaOS Type 1 | Page Template:Mono/styles.css has no content.90B6FF38-B98F-4358-A21F-48F35B4A8AD3 | |
| Storage Performance Development Kit (SPDK) | SPDK block device[81] | Page Template:Mono/styles.css has no content.7C5222BD-8F5D-4087-9C00-BF9843C7B58C | |
| barebox bootloader | barebox-state[82] | Page Template:Mono/styles.css has no content.4778ED65-BF42-45FA-9C5B-287A1DC4AAB1 | |
| U-Boot bootloader | U-Boot environment[83][84] | Page Template:Mono/styles.css has no content.3DE21764-95BD-54BD-A5C3-4ABE786F38A8 | |
| SoftRAID[citation needed] | SoftRAID_Status | Page Template:Mono/styles.css has no content.B6FA30DA-92D2-4A9A-96F1-871EC6486200 | |
| SoftRAID_Scratch | Page Template:Mono/styles.css has no content.2E313465-19B9-463F-8126-8A7993773801 | ||
| SoftRAID_Volume | Page Template:Mono/styles.css has no content.FA709C7E-65B1-4593-BFD5-E71D61DE9B02 | ||
| SoftRAID_Cache | Page Template:Mono/styles.css has no content.BBBA6DF5-F46F-4A89-8F59-8765B2727503 | ||
| Fuchsia standard partitions[85] | Bootloader (slot A/B/R) | Page Template:Mono/styles.css has no content.FE8A2634-5E2E-46BA-99E3-3A192091A350 | |
| Durable mutable encrypted system data | Page Template:Mono/styles.css has no content.D9FD4535-106C-4CEC-8D37-DFC020CA87CB | ||
| Durable mutable bootloader data (including A/B/R metadata) | Page Template:Mono/styles.css has no content.A409E16B-78AA-4ACC-995C-302352621A41 | ||
| Factory-provisioned read-only system data | Page Template:Mono/styles.css has no content.F95D940E-CABA-4578-9B93-BB6C90F29D3E | ||
| Factory-provisioned read-only bootloader data | Page Template:Mono/styles.css has no content.10B8DBAA-D2BF-42A9-98C6-A7C5DB3701E7 | ||
| Fuchsia Volume Manager | Page Template:Mono/styles.css has no content.49FD7CB8-DF15-4E73-B9D9-992070127F0F | ||
| Verified boot metadata (slot A/B/R) | Page Template:Mono/styles.css has no content.421A8BFC-85D9-4D85-ACDA-B64EEC0133E9 | ||
| Zircon boot image (slot A/B/R) | Page Template:Mono/styles.css has no content.9B37FFF6-2E58-466A-983A-F7926D0B04E0 | ||
| Fuchsia legacy partitions[85][p] | |||
| fuchsia-esp | Page Template:Mono/styles.css has no content.C12A7328-F81F-11D2-BA4B-00A0C93EC93B | ||
| fuchsia-system | Page Template:Mono/styles.css has no content.606B000B-B7C7-4653-A7D5-B737332C899D | ||
| fuchsia-data | Page Template:Mono/styles.css has no content.08185F0C-892D-428A-A789-DBEEC8F55E6A | ||
| fuchsia-install | Page Template:Mono/styles.css has no content.48435546-4953-2041-494E-5354414C4C52 | ||
| fuchsia-blob | Page Template:Mono/styles.css has no content.2967380E-134C-4CBB-B6DA-17E7CE1CA45D | ||
| fuchsia-fvm | Page Template:Mono/styles.css has no content.41D0E340-57E3-954E-8C1E-17ECAC44CFF5 | ||
| Zircon boot image (slot A) | Page Template:Mono/styles.css has no content.DE30CC86-1F4A-4A31-93C4-66F147D33E05 | ||
| Zircon boot image (slot B) | Page Template:Mono/styles.css has no content.23CC04DF-C278-4CE7-8471-897D1A4BCDF7 | ||
| Zircon boot image (slot R) | Page Template:Mono/styles.css has no content.A0E5CF57-2DEF-46BE-A80C-A2067C37CD49 | ||
| sys-config | Page Template:Mono/styles.css has no content.4E5E989E-4C86-11E8-A15B-480FCF35F8E6 | ||
| factory-config | Page Template:Mono/styles.css has no content.5A3A90BE-4C86-11E8-A15B-480FCF35F8E6 | ||
| bootloader | Page Template:Mono/styles.css has no content.5ECE94FE-4C86-11E8-A15B-480FCF35F8E6 | ||
| guid-test | Page Template:Mono/styles.css has no content.8B94D043-30BE-4871-9DFA-D69556E8C1F3 | ||
| Verified boot metadata (slot A) | Page Template:Mono/styles.css has no content.A13B4D9A-EC5F-11E8-97D8-6C3BE52705BF | ||
| Verified boot metadata (slot B) | Page Template:Mono/styles.css has no content.A288ABF2-EC5F-11E8-97D8-6C3BE52705BF | ||
| Verified boot metadata (slot R) | Page Template:Mono/styles.css has no content.6A2460C3-CD11-4E8B-80A8-12CCE268ED0A | ||
| misc | Page Template:Mono/styles.css has no content.1D75395D-F2C6-476B-A8B7-45CC1C97B476 | ||
| emmc-boot1 | Page Template:Mono/styles.css has no content.900B0FC5-90CD-4D4F-84F9-9F8ED579DB88 | ||
| emmc-boot2 | Page Template:Mono/styles.css has no content.B2B2E8D1-7C10-4EBC-A2D0-4614568260AD | ||
| Minix | Minix filesystem | Page Template:Mono/styles.css has no content.481B2A38-0561-420B-B72A-F1C4988EFC16 | |
| Emu68/AmigaOS | A partition that includes Rigid Disk Block[q] | Page Template:Mono/styles.css has no content.3F82EEBC-87C9-4097-8165-89D6540557C0 | |
| Weka NeuralMesh (Storage System) | Weka Data Partition | Page Template:Mono/styles.css has no content.993EC906-B4E2-11E7-A205-A0A8CD3EA1DE | |
Example
Here is an example of GUID Partition Table for a 512 GB NVM Express solid state drive as used with multi-booting configuration, containing an EFI system partition, a Microsoft Reserved Partition, three Microsoft Basic Data Partitions (one is Windows standard partition and two are hidden Windows Recovery Environment partitions), and three Linux partitions (including a swap partition):
label: gpt
label-id: 96BB56B7-AE3C-4E94-986E-10E7F3CCA80B
device: /dev/nvme0n1
unit: sectors
first-lba: 34
last-lba: 1000215182
sector-size: 512
/dev/nvme0n1p1 : start= 2048, size= 532480, type=C12A7328-F81F-11D2-BA4B-00A0C93EC93B, uuid=7885D52E-0F50-4E28-B058-8DCE7B7FF921, name="EFI system partition"
/dev/nvme0n1p2 : start= 534528, size= 32768, type=E3C9E316-0B5C-4DB8-817D-F92DF00215AE, uuid=5C34D099-E77A-4B46-9662-430D33E55AFF, name="Microsoft reserved partition"
/dev/nvme0n1p3 : start= 567296, size= 419196928, type=EBD0A0A2-B9E5-4433-87C0-68B6B72699C7, uuid=109218B1-3097-4635-BE5F-044E28C2BCB0, name="Basic data partition"
/dev/nvme0n1p4 : start= 419764224, size= 1669120, type=DE94BBA4-06D1-4D40-A16A-BFD50179D6AC, uuid=527B26E5-2768-444E-AB1F-ECB28201F3C8, attrs="RequiredPartition GUID:63"
/dev/nvme0n1p5 : start= 421435392, size= 329410560, type=0FC63DAF-8483-4772-8E79-3D69D8477DE4, uuid=5C52E480-AEE7-437B-A136-53F8C946D5ED, name="Linux Stuff"
/dev/nvme0n1p6 : start= 750845952, size= 243933184, type=0FC63DAF-8483-4772-8E79-3D69D8477DE4, uuid=023F3B88-D3D9-4E39-9F50-77F242410789, name="Linux Root"
/dev/nvme0n1p7 : start= 994779136, size= 4194304, type=0657FD6D-A4AB-43C4-84E5-0933C84B4F4F, uuid=18F44D65-B28D-4871-AF02-DDBD96771460, name="Swap"
/dev/nvme0n1p8 : start= 998973440, size= 1228800, type=DE94BBA4-06D1-4D40-A16A-BFD50179D6AC, uuid=D4A41B1A-2F28-4AE5-AC67-A2D98FB91E22, name="Basic data partition", attrs="RequiredPartition GUID:63"
See also
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- Advanced Active Partition (AAP)
- Apple Partition Map (APM)
- Boot Engineering Extension Record (BEER)
- BSD disklabel
- Das U-Boot
- Device Configuration Overlay (DCO)
- Extended Boot Record (EBR)
- GNU GRUB
- Host Protected Area (HPA)
- Master Boot Record (MBR)
- Partition alignment
- Rigid Disk Block (RDB)
- Volume Table of Contents (VTOC)
Notes
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- ^ Adding
ULLsuffix to an integer constant makes it of typeunsigned long long int. - ^ a b c GUIDs are structured in little endian format,[11] but appear as mixed endian, due to a byte array being used to store the last eight bytes.[12]
- ^ Third party implementation exists (GPTTSD)
- ^ Windows XP 64-bit does not normally support booting from GPT disks, but unofficial methods exist to boot XP from it.[38]
- ^ Only if using its service pack 1 or 2
- ^ In a multi-disk setup, non-UEFI bootloader (boot drive) requires MBR-based partitioning, while a system drive can use GUID partitioning.
- ^ The GUIDs in this table are written as per RFC 4122, i.e. big-endian byte order, recognizable by the position of the version bits. For example, the GUID for an EFI System partition (
C12A7328-F81F-11D2-BA4B-00A0C93EC93B), when serialized in GPT data structures (little-endian), corresponds to the hex sequence28 73 2A C1 1F F8 D2 11 BA 4B 00 A0 C9 3E C9 3B. The first three blocks are byte-swapped to little-endian, the last is a byte array. See details in TN2166[10] - ^ The formation of this GUID does not follow the GUID definition; it is formed by using the ASCII codes for the string "Page Template:Mono/styles.css has no content.Hah!IdontNeedEFI". Such formation of "GUID" value breaks down the guaranteed uniqueness of GUID.
- ^ a b Some computer manufacturers have their own GUIDs for partitions that are analogous to the EFI System Partition, but that hold boot loaders to launch manufacturer-specific recovery tools.[45]
- ^ a b Previously, Linux used the same GUID for the data partitions as Windows (Basic data partition: Page Template:Mono/styles.css has no content.EBD0A0A2-B9E5-4433-87C0-68B6B72699C7). Linux never had a separate unique partition type GUID defined for its data partitions. This created problems when dual-booting Linux and Windows in UEFI-GPT setup. The new GUID (Linux filesystem data: Page Template:Mono/styles.css has no content.0FC63DAF-8483-4772-8E79-3D69D8477DE4) was defined jointly by GPT fdisk and GNU Parted developers.[47] It is identified as type code Page Template:Mono/styles.css has no content.0x8300 in GPT fdisk.
- ^ Hurd and GRUB use the same Linux ext2 file system to run and Hurd no longer supports the UFS file system[61]
- ^ Hurd uses the same Linux swap file system
- ^ a b The GUID for
/usron Solaris is used as a generic GUID for ZFS by macOS. - ^ a b NetBSD and MidnightBSD had used the FreeBSD GUIDs before their unique GUIDs were created.
- ^ The Ceph filesystem uses GUIDs to mark the state of preparation a disk is in.[70][71]
- ^ The legacy Fuchsia GUIDs had two oddities: UUIDs were not generated randomly (several runs of bits were common between partitions), and partitions were uniquely identified by type GUID. The standardized scheme uses randomly-generated GUIDs, and slotted partitions (e.g.
zircon_{a,b,r}) share the same type and are distinguished by name and unique GUID.[86] - ^ Due to the limitations of the Rigid Disk Block (RDB), the size of this partition cannot exceed 2 TiB.
References
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- ^ a b c d Page Module:Citation/CS1/styles.css has no content."Unified Extensible Firmware Interface (UEFI) Specification Release 2.11" (PDF). www.uefi.org. 21 November 2024. Retrieved 9 January 2025.
- ^ Page Module:Citation/CS1/styles.css has no content.Swinburne, Richard (1 April 2010). "The Facts: 4K Advanced Format Hard Disks". www.bit-tech.net. Retrieved 12 December 2020.
- ^ a b Page Module:Citation/CS1/styles.css has no content.Smith, Ryan (18 December 2009). "Western Digital's Advanced Format: The 4K Sector Transition Begins". www.anandtech.com. Archived from the original on 28 December 2020. Retrieved 12 December 2020.
- ^ Page Module:Citation/CS1/styles.css has no content."Enterprise Capacity 3.5 HDD Data Sheet" (PDF). Seagate Technology. April 23, 2014. p. 2. Archived (PDF) from the original on 2014-08-12. Retrieved August 10, 2014.
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- ^ a b c d Page Module:Citation/CS1/styles.css has no content.Smith, Roderick (3 July 2012). "Make the most of large drives with GPT and Linux". IBM. Retrieved 14 December 2020.
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- ^ Page Module:Citation/CS1/styles.css has no content."Why does COM express GUIDs in a mix of big-endian and little-endian? Why can't it just pick a side and stick with it?". 28 September 2022. Retrieved 13 February 2025.
- ^ The GPT header contains a field that specifies the size of a partition table entry. The minimum required is 128 bytes, but implementations must allow for other values. See Page Module:Citation/CS1/styles.css has no content."Technical Note TN2166 Secrets of the GPT". Developer.Apple.com. Apple. Retrieved 2025-01-10.
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- ^ Page Module:Citation/CS1/styles.css has no content.Elliott, Rob (4 January 2010). "e09127r3 EDD-4 Hybrid MBR Boot Code Annex" (PDF). www.t13.org. Archived from the original (PDF) on 20 August 2020. Retrieved 16 December 2020.
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- ^ Windows 8 32-bit supports booting from UEFI-based PC (x86-32 only) using GPT-based disks.
- ^ Windows 8.1 32-bit supports booting from UEFI-based PC (x86-32 only) using GPT-based disks.
- ^ Windows 10 32-bit supports booting from UEFI-based PC (x86-32 only) using GPT-based disks.
- ^ Microsoft raises the speed limit with the availability of 64-bit editions of Windows Server 2003 and Windows XP Professional Script error: No such module "webarchive".
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- ^ Windows 10 64-bit supports booting from UEFI-based PC (x86-64 only) using GPT-based disks.
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External links
- Microsoft TechNet: Disk Sectors on GPT Disks (archived page)
- Microsoft Windows Deployment: Converting MBR to GPT without dats loss
- Microsoft TechNet: Troubleshooting Disks and File Systems
- Microsoft TechNet: Using GPT Drives
- Microsoft: FAQs on Using GPT disks in Windows
- Microsoft Technet: How Basic Disks and Volumes Work A bit MS-specific but good figures relate GPT to older MBR format and protective-MBR, shows layouts of complete disks, and how to interpret partition-table hexdumps.
- Apple Developer Connection: Secrets of the GPT
- Make the most of large drives with GPT and Linux
- Convert Windows Vista SP1+ or 7 x86_64 boot from BIOS-MBR mode to UEFI-GPT mode without Reinstall
- Support for GPT (Partition scheme) and HDD greater than 2.19 TB in Microsoft Windows XP
- Setting up a RAID volume in Linux with >2TB disks