BSD Fast File System

GPTKB entity

Statements (39)
Predicate Object
gptkbp:instanceOf file format
gptkbp:alsoKnownAs gptkb:FFS
gptkbp:capacity 2 TiB (original), larger in later versions
gptkbp:category BSD software
Computer file systems
gptkbp:defaultBlockSize 4096 bytes
gptkbp:defaultFragmentSize 1024 bytes
gptkbp:designedFor gptkb:Berkeley_Software_Distribution
gptkbp:developedBy gptkb:Marshall_Kirk_McKusick
gptkbp:features snapshots (in some implementations)
metadata replication
minimizes fragmentation
optimizations for performance
soft updates (in later versions)
https://www.w3.org/2000/01/rdf-schema#label BSD Fast File System
gptkbp:influenced gptkb:UFS
gptkbp:introducedIn gptkb:4.2BSD
gptkbp:license gptkb:BSD_License
gptkbp:openSource yes
gptkbp:predecessor UNIX File System (original)
gptkbp:RAM 2 TiB (original), larger in later versions
gptkbp:releaseYear 1983
gptkbp:supports file permissions
hard links
cylinder groups
symbolic links
long filenames
block-level allocation
journaling (in later versions)
gptkbp:supportsFormat gptkb:Unix_File_System
gptkbp:usedIn gptkb:FreeBSD
gptkb:NetBSD
gptkb:OpenBSD
gptkb:DragonFly_BSD
macOS (as UFS)
gptkbp:bfsParent gptkb:Kirk_McKusick
gptkb:Fast_File_System_(FFS)
gptkb:FFS_(Fast_File_System)
gptkbp:bfsLayer 8