Boot Loader Specification
E721399
The Boot Loader Specification is a standardized convention for organizing and describing boot loader configuration and entries on modern Linux systems to ensure interoperability and simplicity across different boot managers.
All labels observed (2)
| Label | Occurrences |
|---|---|
| Boot Loader Spec | 1 |
| Boot Loader Specification canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T8247943 — resolving that mention is where its identity was fixed. The disambiguator weighed these candidate entities and picked the highlighted one (or “None”, minting a new entity). This is how homonymy is resolved: the same surface form can point to different entities.
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Boot Loader Specification Context triple: [systemd-boot, usesSpecification, Boot Loader Specification]
-
A.
Multiboot Specification
The Multiboot Specification is a standard that defines a common interface between bootloaders and operating systems, enabling bootloaders like GNU GRUB to load a wide variety of kernels in a uniform way.
-
B.
FreeBSD boot loader
The FreeBSD boot loader is the system component that initializes and starts the FreeBSD operating system kernel during the machine’s startup process.
-
C.
GNU GRUB
GNU GRUB is a widely used open-source bootloader that allows users to select and load different operating systems and kernels at startup.
-
D.
UEFI
UEFI (Unified Extensible Firmware Interface) is a modern, programmable firmware standard that initializes hardware and boots operating systems, replacing the legacy BIOS on most contemporary computers.
-
E.
Master Boot Record
The Master Boot Record is a special boot sector located at the beginning of a storage device that contains the partition table and initial code used to start a computer’s operating system.
- F. None of above. chosen
- G. Unsure - the case is ambiguous/there is not enough information to decide.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: Boot Loader Specification Target entity description: The Boot Loader Specification is a standardized convention for organizing and describing boot loader configuration and entries on modern Linux systems to ensure interoperability and simplicity across different boot managers.
-
A.
Multiboot Specification
The Multiboot Specification is a standard that defines a common interface between bootloaders and operating systems, enabling bootloaders like GNU GRUB to load a wide variety of kernels in a uniform way.
-
B.
FreeBSD boot loader
The FreeBSD boot loader is the system component that initializes and starts the FreeBSD operating system kernel during the machine’s startup process.
-
C.
GNU GRUB
GNU GRUB is a widely used open-source bootloader that allows users to select and load different operating systems and kernels at startup.
-
D.
UEFI
UEFI (Unified Extensible Firmware Interface) is a modern, programmable firmware standard that initializes hardware and boots operating systems, replacing the legacy BIOS on most contemporary computers.
-
E.
Master Boot Record
The Master Boot Record is a special boot sector located at the beginning of a storage device that contains the partition table and initial code used to start a computer’s operating system.
- F. None of above. chosen
Statements (48)
| Predicate | Object |
|---|---|
| instanceOf |
Linux standard
ⓘ
boot loader configuration standard ⓘ software specification ⓘ |
| alsoKnownAs |
BLSpec
ⓘ
Boot Loader Spec ⓘ
linked to:
Boot Loader Specification
|
| appliesTo |
BIOS-based systems
ⓘ
EFI-based systems ⓘ Linux operating system ⓘ
linked to:
Linux distributions
|
| compatibleWith |
UEFI firmware
ⓘ
legacy BIOS firmware ⓘ |
| defines |
format of boot loader entry files
ⓘ
layout of boot loader configuration files ⓘ location of boot loader entries on disk ⓘ machine ID based directory structure for entries ⓘ naming scheme for boot entry files ⓘ semantics for default boot entry selection ⓘ semantics for entry discovery ⓘ semantics for entry ordering ⓘ semantics for entry versioning ⓘ |
| developedBy | systemd project ⓘ |
| documentedIn | systemd documentation ⓘ |
| goal |
ensure interoperability between boot loaders
ⓘ
simplify boot loader configuration management ⓘ standardize boot entry layout ⓘ |
| hasComponent |
default entry selection rules
ⓘ
directory naming rules ⓘ entry file key-value format ⓘ versioning and ordering rules ⓘ |
| influences |
Linux distribution boot configuration layout
ⓘ
boot loader implementation design ⓘ |
| license | freely available specification ⓘ |
| maintainedBy |
systemd project
ⓘ
linked to:
systemd
|
| promotes |
distribution-agnostic boot configuration
ⓘ
machine-readable boot entries ⓘ separation of boot loader code and configuration ⓘ |
| relatedTo |
Unified Kernel Image concept
ⓘ
systemd-boot boot manager ⓘ
linked to:
systemd-boot
|
| standardizes |
/boot/loader directory layout
ⓘ
/boot/loader/entries directory usage ⓘ kernel and initrd path references in entries ⓘ use of .conf files for boot entries ⓘ |
| status | actively used on modern Linux systems ⓘ |
| supports |
automatic entry generation by tools
ⓘ
multiple operating systems ⓘ multiple parallel installed kernels ⓘ |
| usedBy |
Gummiboot
ⓘ
other compliant boot loaders ⓘ systemd-boot ⓘ |
How these facts were elicited
The pipeline generated the facts above by prompting gpt-5.1 with this entity's name + description and the instruction below.
Instruction
You are a knowledge base construction expert. Given a subject entity and a description of it, return factual statements that you know for the subject as a JSON list of dictionaries(triples), where keys must be "subject", "predicate" and "object". The number of facts may be very high, between 25 to 50 or more, for very popular subjects. For less popular subjects, the number of facts can be very low, like 5 or 10. # Requirements - If you don't know the subject at all, return an empty list. - If the subject is not a named entity, return an empty list. - Include at least one triple where predicate is "instanceOf". - Do not get too wordy. - Separate several objects into multiple triples with one object.
Input
Subject: Boot Loader Specification Description of subject: The Boot Loader Specification is a standardized convention for organizing and describing boot loader configuration and entries on modern Linux systems to ensure interoperability and simplicity across different boot managers.
Referenced by (2)
Full triples — surface form annotated when it differs from this entity's canonical label.
linked to: Boot Loader Specification