HFS Plus
E6431
HFS Plus is a proprietary journaling file system developed by Apple for use in macOS and earlier Macintosh operating systems, succeeding the original HFS to support larger files and volumes.
Observed surface forms (4)
| Surface form | As subject | As object |
|---|---|---|
| HFS+ | 0 | 7 |
| HFS+ file system | 0 | 1 |
| Hierarchical File System | 0 | 1 |
| Mac OS Extended | 0 | 1 |
Statements (58)
| Predicate | Object |
|---|---|
| instanceOf |
file system
→
journaling file system → proprietary software technology → |
| alsoKnownAs |
HFS Plus
→
surface form:
HFS+
HFS Plus →
surface form:
Mac OS Extended
|
| backwardCompatibility | partial with HFS → |
| blockAllocationStructure | B-tree → |
| caseSensitivityDefault | case-insensitive → |
| caseSensitivityVariant | HFSX (case-sensitive HFS Plus) → |
| countryOfOrigin |
United States of America
→
surface form:
United States
|
| defaultFileSystemOf |
Mac OS 8
→
surface form:
Mac OS 8.1
Mac OS 9 → Mac OS X 10.0 Cheetah →
surface form:
Mac OS X 10.0
macOS →
surface form:
macOS Sierra
|
| designedFor |
larger files
→
larger volumes → |
| developer | Apple Inc. → |
| directoryStructure | B-tree → |
| fileNameEncoding | UTF-16 → |
| introduced | 1998 → |
| introducedIn |
Mac OS 8
→
surface form:
Mac OS 8.1
|
| license | proprietary → |
| maximumFileSize | 8 exabytes (theoretical) → |
| maximumVolumeSize | 8 exabytes (theoretical) → |
| metadataStorage |
allocation file
→
attributes file → catalog file → extents overflow file → startup file → |
| operatingSystem |
Mac OS 8
→
Mac OS 9 → macOS →
surface form:
Mac OS X
macOS → |
| optimizedFor | classic Mac OS metadata model → |
| predecessor |
MFS
→
surface form:
HFS
|
| replacedAsDefaultBy | APFS → |
| replacedAsDefaultIn |
macOS
→
surface form:
macOS High Sierra
|
| replacedBy | APFS → |
| status | legacy file system in modern macOS → |
| supports | POSIX permissions → |
| supportsBooting |
yes on Intel-based Macs
→
yes on PowerPC-based Macs → |
| supportsFeature |
Unicode file names
→
access control lists → case-insensitive file names → extended attributes → file system compression → hard links → hot file clustering → journaling → long file names → optional case-sensitive variant → resource forks → symbolic links → volume journaling → |
| usedOn |
external storage devices for macOS
→
internal hard drives of Macintosh computers → |
| usesAllocationBlockSize | variable → |
Referenced by (12)
Full triples — surface form annotated when it differs from this entity's canonical label.
this entity surface form:
Mac OS Extended
this entity surface form:
HFS+
this entity surface form:
HFS+
this entity surface form:
HFS+ file system
this entity surface form:
Hierarchical File System
this entity surface form:
HFS+
this entity surface form:
HFS+
this entity surface form:
HFS+
this entity surface form:
HFS+