Q: What is the primary function of the GUID Partition Table?

A: GPT is an on-disk format used to specify the location, size, and metadata of partitions on a physical storage device. It provides a standard layout that allows operating systems to manage disk space on desktop and server PCs.

Q: How does GPT relate to UEFI?

A: GPT is a specific part of the Unified Extensible Firmware Interface (UEFI) specification. It defines the software interface between the platform firmware and the operating system for storage device partitioning.

Q: What makes GPT different from older partitioning schemes?

A: Unlike older schemes, GPT uses Universally Unique Identifiers (UUIDs) to identify partitions. It also succeeded the Apple Partition Map (APM) to become the standard for modern UEFI-based systems.

GUID Partition Table

standard for the layout of the partition table on a physical storage device used in a desktop or server PC

Class type of: partition table Q603889

Facts

7 properties

Instance of: disk partitioning scheme
Subclass of: partition table^[2]
Part of: Unified Extensible Firmware Interface^[3]
Facet of: operating system^[4]
Schematic: commons.wikimedia.org
Uses: Universally Unique Identifier^[5]
‎computerlanguage.com definition: GUID+partition+table

🏷️ Also known as

en GPT en GUID Partition Table ar جدول التقسيم ذو المعرفات الفريدة الشامل de GPT de GUID-Partitionstabelle es Tabla de particiones GUID fa جی‌پی‌تی hu GPT hu GUID partíciós tábla id Daftar Pemetakan GUID it GPT ja GUIDパーティションテーブル ko GUID 파티션 테이블 nl GPT partition table pt Tabela de Partição GUID ru Таблица разделов GUID sv GUID Partitionstabell uk Таблиця розділів GUID zh GPT磁盤 zh GUID磁碟分割表

🔖 Identifiers · 7

Image (Wikimedia Commons): GNU Parted 3.6 screenshot.webp ↗
ComputerLanguage.com definition: GUID+partition+table
Described at URL: uefi.org
File Format Wiki page ID: GUID_Partition_Table
Freebase ID: /m/07m2pp
Gentoo Wiki article: GPT
Microsoft Academic ID (discontinued): 2778523397

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🔗 Connections

Facet of 1

operating system

Follows 1

Apple Partition Map

Has these parts 1

EFI system partition

Instance of 1

disk partitioning scheme

Part of 1

Unified Extensible Firmware Interface

Preceded by (successor) 1

Apple Partition Map

Subclass of 1

partition table

Uses 1

Universally Unique Identifier

← FactGrid item ID 1

Ręszów

← Uses 1

Unified Extensible Firmware Interface

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Summary

GUID Partition Table is a disk partitioning scheme^[1].

References

Programmatic citations — every numbered marker resolves to a verifiable graph row below.

Direct Wikidata claims

Class ancestry

[1] ↑ GUID Partition Table is an instance of disk partitioning scheme (Q79803608) [P31, primary]. Wikidata. wikidata.org.

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@misc{4ortxyz_guid-partition-table_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{GUID Partition Table}}, year = {2026}, url = {https://4ort.xyz/entity/guid-partition-table}, note = {Accessed: 2026-11-04}}

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