Windows Boot Manager
E233734
Windows Boot Manager is a Microsoft utility that initializes and selects installed operating systems during the startup process on Windows-based computers.
All labels observed (4)
| Label | Occurrences |
|---|---|
| Windows Boot Manager canonical | 2 |
| Bootmgr | 1 |
| Windows Boot Loader | 1 |
| Windows loader | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T2105119 — 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: Windows Boot Manager Context triple: [Windows 7, bootLoader, Windows Boot Manager]
-
A.
systemd-boot
systemd-boot is a simple, UEFI-only boot manager from the systemd project that loads and starts Linux kernels and other EFI executables.
-
B.
NTLDR
NTLDR is the legacy boot loader used by early versions of Microsoft Windows NT-based operating systems to start the system during the boot 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.
Windows
Windows is a widely used family of graphical operating systems developed by Microsoft for personal computers, servers, and other devices.
-
E.
Windows NT
Windows NT is a family of Microsoft operating systems designed with a robust, secure, and modular architecture for professional and enterprise use.
- 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: Windows Boot Manager Target entity description: Windows Boot Manager is a Microsoft utility that initializes and selects installed operating systems during the startup process on Windows-based computers.
-
A.
systemd-boot
systemd-boot is a simple, UEFI-only boot manager from the systemd project that loads and starts Linux kernels and other EFI executables.
-
B.
NTLDR
NTLDR is the legacy boot loader used by early versions of Microsoft Windows NT-based operating systems to start the system during the boot 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.
Windows
Windows is a widely used family of graphical operating systems developed by Microsoft for personal computers, servers, and other devices.
-
E.
Windows NT
Windows NT is a family of Microsoft operating systems designed with a robust, secure, and modular architecture for professional and enterprise use.
- F. None of above. chosen
Statements (48)
| Predicate | Object |
|---|---|
| instanceOf |
Microsoft software component
ⓘ
boot manager ⓘ system utility ⓘ |
| abbreviation |
Windows Boot Manager
self-linksurface differs
ⓘ
surface form:
Bootmgr
|
| binaryName |
bootmgfw.efi
ⓘ
bootmgr ⓘ |
| canDisplay |
boot menu
ⓘ
operating system selection menu ⓘ |
| canLoad |
Windows Boot Manager
self-linksurface differs
ⓘ
surface form:
Windows Boot Loader
Windows Recovery Environment ⓘ |
| componentOf | Windows boot process ⓘ |
| configurableWith |
System Configuration (msconfig.exe)
ⓘ
bcdedit.exe ⓘ |
| configurationLocation |
EFI system partition
ⓘ
active system partition ⓘ system reserved partition ⓘ |
| configurationStore | BCD store ⓘ |
| defaultLocationOnBIOS | system partition root as bootmgr ⓘ |
| defaultLocationOnUEFI | \EFI\Microsoft\Boot\bootmgfw.efi ⓘ |
| developer | Microsoft ⓘ |
| fileSystemSupport |
FAT32
ⓘ
NTFS ⓘ |
| introducedIn | Windows Vista ⓘ |
| invokedBy | system firmware ⓘ |
| license | proprietary software license from Microsoft ⓘ |
| operatingSystem |
Windows
ⓘ
surface form:
Microsoft Windows
|
| platform | Windows ⓘ |
| purpose |
initialize operating system boot process
ⓘ
manage multi-boot configurations ⓘ select installed operating systems at startup ⓘ |
| relatedTo |
Boot Configuration Data
ⓘ
NTLDR ⓘ NTLDR ⓘ
surface form:
Windows Boot Loader
Windows Recovery Environment ⓘ |
| replaced |
NTLDR
ⓘ
surface form:
NTLDR boot loader
|
| roleInBootSequence |
passes control to selected boot loader
ⓘ
selects boot entry from BCD ⓘ |
| runsAt | system startup ⓘ |
| supportsArchitecture |
ARM
ⓘ
x64 ⓘ x86 ⓘ |
| supportsFeature |
advanced boot options
ⓘ
boot logging ⓘ safe mode boot ⓘ timeout-based default OS selection ⓘ |
| supportsFirmwareInterface |
ROM BIOS
ⓘ
surface form:
BIOS
UEFI ⓘ |
| uses | Boot Configuration Data ⓘ |
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: Windows Boot Manager Description of subject: Windows Boot Manager is a Microsoft utility that initializes and selects installed operating systems during the startup process on Windows-based computers.
Referenced by (5)
Full triples — surface form annotated when it differs from this entity's canonical label.
this entity surface form:
Bootmgr
this entity surface form:
Windows Boot Loader