Berkeley Fast File System
E732935
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.
All labels observed (2)
| Label | Occurrences |
|---|---|
| Berkeley Fast File System canonical | 1 |
| Fast File System | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T8414169 — 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: Berkeley Fast File System Context triple: [FFSv2, basedOn, Berkeley Fast File System]
-
A.
Minix filesystem
The Minix filesystem is a simple, Unix-like file system originally developed for the MINIX operating system, known for its straightforward design and use in early Linux systems and educational contexts.
-
B.
ReiserFS
ReiserFS is a journaling file system for Linux known for its efficient handling of small files and advanced tree-based storage structures.
-
C.
MINIX operating system
MINIX operating system is a small, Unix-like, microkernel-based operating system originally created for teaching and research that later influenced the design of systems like Linux.
-
D.
FUSE (Filesystem in Userspace)
FUSE (Filesystem in Userspace) is a Linux kernel interface and accompanying user-space library that allows non-privileged users to create and run custom filesystems without modifying kernel code.
-
E.
Fast File System
Fast File System is a high-performance disk file system used by AmigaOS to improve speed and efficiency over its earlier standard file 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: Berkeley Fast File System Target entity description: 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.
-
A.
Minix filesystem
The Minix filesystem is a simple, Unix-like file system originally developed for the MINIX operating system, known for its straightforward design and use in early Linux systems and educational contexts.
-
B.
ReiserFS
ReiserFS is a journaling file system for Linux known for its efficient handling of small files and advanced tree-based storage structures.
-
C.
MINIX operating system
MINIX operating system is a small, Unix-like, microkernel-based operating system originally created for teaching and research that later influenced the design of systems like Linux.
-
D.
FUSE (Filesystem in Userspace)
FUSE (Filesystem in Userspace) is a Linux kernel interface and accompanying user-space library that allows non-privileged users to create and run custom filesystems without modifying kernel code.
-
E.
Fast File System
Fast File System is a high-performance disk file system used by AmigaOS to improve speed and efficiency over its earlier standard file system.
- F. None of above. chosen
Statements (51)
| Predicate | Object |
|---|---|
| instanceOf |
Unix file system
ⓘ
block-based file system ⓘ file system ⓘ |
| academicPublication | A Fast File System for UNIX NERFINISHED ⓘ |
| alsoKnownAs |
FFS
NERFINISHED
ⓘ
Fast File System NERFINISHED ⓘ |
| blockSize | typically 4 KB to 8 KB ⓘ |
| category |
Unix file system technology
ⓘ
computer storage technology ⓘ |
| designGoal |
better disk bandwidth utilization
ⓘ
higher throughput ⓘ improved locality of related data ⓘ improved reliability ⓘ reduced fragmentation ⓘ |
| developedAt | University of California, Berkeley NERFINISHED ⓘ |
| developedFor |
BSD Unix
NERFINISHED
ⓘ
Berkeley Software Distribution NERFINISHED ⓘ |
| developer |
Marshall Kirk McKusick
NERFINISHED
ⓘ
William N. Joy NERFINISHED ⓘ |
| feature |
cylinder groups
ⓘ
fragments (sub-blocks) ⓘ improved disk layout ⓘ larger block sizes ⓘ locality of reference optimization ⓘ parameterizable block and fragment sizes ⓘ per-cylinder-group free space maps ⓘ per-cylinder-group inode tables ⓘ rotational optimization (rotational delay) ⓘ separate inodes and data blocks ⓘ support for long file names (relative to original Unix FS) ⓘ |
| fragmentSize | typically 512 bytes to 1 KB ⓘ |
| influenced |
FFS variants in BSDs
ⓘ
UFS NERFINISHED ⓘ ext2 NERFINISHED ⓘ ext3 NERFINISHED ⓘ ext4 NERFINISHED ⓘ |
| influencedBy | original Unix file system ⓘ |
| introducedIn | early 1980s ⓘ |
| introducedInVersion | 4.2BSD NERFINISHED ⓘ |
| operatingSystem |
BSD
NERFINISHED
ⓘ
FreeBSD NERFINISHED ⓘ NetBSD NERFINISHED ⓘ OpenBSD NERFINISHED ⓘ SunOS (early versions) NERFINISHED ⓘ |
| operatingSystemFamily | Unix NERFINISHED ⓘ |
| partOf | 4.2BSD NERFINISHED ⓘ |
| predecessor | Unix File System NERFINISHED ⓘ |
| publicationAuthor | Marshall Kirk McKusick NERFINISHED ⓘ |
| publicationYear | 1984 ⓘ |
| reliabilityFeature |
careful metadata layout
ⓘ
replicated superblocks ⓘ |
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: Berkeley Fast File System Description of subject: 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.
Referenced by (2)
Full triples — surface form annotated when it differs from this entity's canonical label.