Hierarchical File System
E737710
Hierarchical File System (HFS) is a legacy Apple file system introduced for Macintosh computers to support larger storage devices and a structured, directory-based organization of files.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Hierarchical File System canonical | 5 |
How this entity was disambiguated
This entity first appeared as the object of triple T8470502 — 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: Hierarchical File System Context triple: [Macintosh File System, replacedBy, Hierarchical File System]
-
A.
HPFS
HPFS (High Performance File System) is an older file system developed by IBM and Microsoft for OS/2, designed to improve performance and reliability over FAT before later being superseded by NTFS.
-
B.
Filesystem
Filesystem is a Symfony component that provides convenient, object-oriented utilities for interacting with and manipulating the file system in PHP applications.
-
C.
Berkeley Fast File System
Berkeley Fast File System is a pioneering Unix file system design that introduced key performance and reliability innovations such as larger block sizes, cylinder groups, and improved disk layout strategies.
-
D.
Smart File System (via third-party)
Smart File System (via third-party) is an advanced journaling file system used on AmigaOS systems, offering improved performance, reliability, and support for large volumes compared to the platform’s older native file systems.
-
E.
Lisa File System
Lisa File System is the proprietary disk file system developed by Apple for its early Lisa computer, featuring a hierarchical directory structure and advanced metadata for its time.
- 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: Hierarchical File System Target entity description: Hierarchical File System (HFS) is a legacy Apple file system introduced for Macintosh computers to support larger storage devices and a structured, directory-based organization of files.
-
A.
HPFS
HPFS (High Performance File System) is an older file system developed by IBM and Microsoft for OS/2, designed to improve performance and reliability over FAT before later being superseded by NTFS.
-
B.
Filesystem
Filesystem is a Symfony component that provides convenient, object-oriented utilities for interacting with and manipulating the file system in PHP applications.
-
C.
Berkeley Fast File System
Berkeley Fast File System is a pioneering Unix file system design that introduced key performance and reliability innovations such as larger block sizes, cylinder groups, and improved disk layout strategies.
-
D.
Smart File System (via third-party)
Smart File System (via third-party) is an advanced journaling file system used on AmigaOS systems, offering improved performance, reliability, and support for large volumes compared to the platform’s older native file systems.
-
E.
Lisa File System
Lisa File System is the proprietary disk file system developed by Apple for its early Lisa computer, featuring a hierarchical directory structure and advanced metadata for its time.
- F. None of above. chosen
Statements (47)
| Predicate | Object |
|---|---|
| instanceOf |
Apple file system
ⓘ
file system ⓘ proprietary file system ⓘ |
| alsoKnownAs | HFS NERFINISHED ⓘ |
| category |
Macintosh file systems
ⓘ
disk file systems ⓘ |
| characterEncoding | MacRoman ⓘ |
| designedFor |
Macintosh computers
NERFINISHED
ⓘ
floppy disks ⓘ hard disks ⓘ larger storage devices ⓘ |
| developer |
Apple Computer, Inc.
NERFINISHED
ⓘ
Apple Inc. ⓘ |
| directoryOrganization |
hierarchical directory-based organization
ⓘ
tree structure ⓘ |
| fileIdentification |
creator codes
ⓘ
file type codes ⓘ |
| fileNameLengthLimit | 31 characters ⓘ |
| introducedFor | original Macintosh line ⓘ |
| limitations |
inefficient space usage on large volumes
ⓘ
limited file name length ⓘ limited maximum volume size compared to HFS Plus ⓘ |
| operatingSystem |
Classic Mac OS
NERFINISHED
ⓘ
Mac OS NERFINISHED ⓘ |
| predecessor | Macintosh File System NERFINISHED ⓘ |
| primaryUsePeriod |
1990s
ⓘ
late 1980s ⓘ |
| replacedBy | HFS Plus NERFINISHED ⓘ |
| status |
deprecated
ⓘ
legacy ⓘ |
| successor |
APFS
NERFINISHED
ⓘ
HFS Plus NERFINISHED ⓘ HFS+ NERFINISHED ⓘ |
| supportsFeature |
data forks
ⓘ
file attributes ⓘ folders ⓘ hierarchical directories ⓘ resource forks ⓘ volume labels ⓘ |
| supportsMetadata |
Finder flags
ⓘ
creation date ⓘ modification date ⓘ |
| usedIn | System 2.1 and later classic Mac OS versions ⓘ |
| volumeStructure |
B-tree catalog file
ⓘ
allocation bitmap ⓘ extents overflow file ⓘ master directory block ⓘ |
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: Hierarchical File System Description of subject: Hierarchical File System (HFS) is a legacy Apple file system introduced for Macintosh computers to support larger storage devices and a structured, directory-based organization of files.
Referenced by (5)
Full triples — surface form annotated when it differs from this entity's canonical label.