FFS
E784393
FFS is a high-performance file system originally developed for BSD Unix that introduced improved disk layout and efficiency over earlier Unix file systems.
All labels observed (1)
| Label | Occurrences |
|---|---|
| FFS canonical | 1 |
Statements (37)
| Predicate | Object |
|---|---|
| instanceOf |
Unix file system
ⓘ
file system ⓘ |
| alsoKnownAs | Berkeley Fast File System NERFINISHED ⓘ |
| blockAllocationStrategy | locality-optimized allocation within cylinder groups ⓘ |
| category |
BSD technology
ⓘ
Unix storage technology ⓘ |
| countryOfOrigin |
United States of America
ⓘ
surface form:
United States
|
| designGoal |
high performance
ⓘ
improved disk layout ⓘ improved efficiency over earlier Unix file systems ⓘ |
| developedFor | BSD Unix NERFINISHED ⓘ |
| developer | University of California, Berkeley NERFINISHED ⓘ |
| era | early 1980s ⓘ |
| feature |
cylinder groups
ⓘ
fragments (sub-block allocation) ⓘ improved free space management ⓘ larger block sizes than earlier Unix file systems ⓘ optimized block placement ⓘ reduced disk seek times ⓘ support for long file names compared to early Unix file systems ⓘ |
| fileSystemType | on-disk file system ⓘ |
| fullName | Fast File System NERFINISHED ⓘ |
| influenced |
Solaris UFS
NERFINISHED
ⓘ
UFS implementations in later BSD systems ⓘ other Unix-like file systems ⓘ |
| introducedIn | 4.2BSD NERFINISHED ⓘ |
| license | BSD-style license (as part of BSD Unix) NERFINISHED ⓘ |
| notableFor | significant performance improvement over the original Unix file system design ⓘ |
| operatingSystemFamily | Unix NERFINISHED ⓘ |
| partOf | Berkeley Software Distribution NERFINISHED ⓘ |
| predecessor | Unix File System (UFS) as used in early Unix NERFINISHED ⓘ |
| storageMedium | magnetic disks ⓘ |
| supports |
hierarchical directory structure
ⓘ
permissions model compatible with Unix ⓘ |
| usedIn |
4.2BSD
NERFINISHED
ⓘ
4.3BSD NERFINISHED ⓘ later BSD derivatives ⓘ |
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.