Fast File System

E220493

Fast File System is a high-performance disk file system used by AmigaOS to improve speed and efficiency over its earlier standard file system.

All labels observed (3)

How this entity was disambiguated

Statements (48)

Predicate Object
instanceOf AmigaOS file system
disk file system
file system
alsoKnownAs FFS
compatibility backward compatible with OFS at file level in many cases
countryOfOrigin United States of America
surface form: United States
dataStructure bitmap for free blocks
linked directory entries
designGoal better disk space utilization
high performance
improved efficiency
improved speed
developer Commodore
directoryStructure hierarchical directories
feature bitmap-based free space management
caching optimizations
improved directory handling
reduced fragmentation compared to OFS
support for larger files
support for larger partitions
fileSystemType block-based file system
introducedAs replacement for OFS
license proprietary
limitation limited maximum partition size compared to later file systems
no journaling
vulnerability to corruption after crashes
operatingSystem AmigaOS
optimizedFor rotating magnetic media
platform Amiga
predecessor OFS
Original Amiga File System
sectorSize multiple of 512 bytes
successor NGFS
Professional File System
Smart File System (via third-party)
surface form: Smart File System
supports bootable partitions
file attributes such as read-only and archived
floppy disks
hard disks
longer filenames than OFS
targetHardware Amiga hard drive controllers
timePeriodOfWidespreadUse 1990s
late 1980s
usedBy Amiga emulators
classic Amiga computers
usedIn AmigaOS
surface form: AmigaOS 1.x

AmigaOS
surface form: AmigaOS 2.x

AmigaOS
surface form: AmigaOS 3.x

How these facts were elicited

Referenced by (4)

Full triples — surface form annotated when it differs from this entity's canonical label.

AmigaOS fileSystem Fast File System
FFSv2 fullName Fast File System
this entity surface form: Fast File System version 2
MorphOS supportsFileSystem Fast File System
this entity surface form: FFS (Fast File System)
AmigaDOS fileSystemSupport Fast File System