MFS

E38935

MFS (Macintosh File System) is the original flat file system used by early Macintosh computers before the introduction of the hierarchical HFS.

All labels observed (2)

Label Occurrences
MFS canonical 3
HFS 1

How this entity was disambiguated

Statements (48)

Predicate Object
instanceOf Macintosh file system
file system
abbreviationOf Macintosh File System
designedBy Apple Macintosh team
surface form: Apple Macintosh system software team
designedFor early Macintosh ROM and hardware constraints
designedForMediaType 3.5-inch floppy disk
floppy disk
developedBy Apple Inc.
surface form: Apple Computer, Inc.
developedFor Apple Macintosh computers
surface form: Apple Macintosh
directoryStructure single directory for all files
fileNameEncoding MacRoman
fileSystemType flat file system
fullName Macintosh File System
hasCatalogStructure single-level catalog
historicalSignificance first file system used by Macintosh computers
initiallyShippedOn original Macintosh 128K
surface form: 128K Macintosh

original 128K Mac floppy disks
introducedInYear 1984
introducedWith original Macintosh 128K
surface form: original Macintosh
maximumFileNameLength 63 characters
primaryUsePeriod mid-1980s
replacedBy HFS
HFS Plus
surface form: Hierarchical File System
replacedInSystemVersion System 2.1 with HFS support
simulatedFoldersImplementedBy Finder metadata
status obsolete
succeededBy HFS
Macintosh File System
surface form: Hierarchical File System
supportsCreationDate true
supportsDataForks true
supportsFileAttributes true
supportsFileCreatorCodes true
supportsFileDates true
supportsFileNames true
supportsFileTypeCodes true
supportsFolders false
supportsHierarchicalDirectories false
supportsLockedFiles true
supportsModificationDate true
supportsResourceForks true
supportsSubdirectories false
supportsVolumeName true
usedOnOperatingSystem Classic Mac OS
surface form: Mac OS

System 1
early classic Mac OS
userInterfaceFeature simulated folders in Finder
volumeNameLengthLimit 27 characters
volumeSizeLimit 400 KB

How these facts were elicited

Referenced by (4)

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

HFS Plus predecessor MFS
this entity surface form: HFS
HFS replaced MFS