ProDOS

E320816
Apple II operating system disk operating system

ProDOS is a disk operating system developed by Apple for its Apple II series of computers, providing improved file management and hardware support over its predecessors.

Try in SPARQL Jump to: Surface forms Statements Referenced by

All labels observed (6)

Label Occurrences
ProDOS canonical 6
ProDOS 16 3
ProDOS 8 2

Statements (48)

Predicate Object
instanceOf Apple II operating system ⓘ
disk operating system ⓘ
basedOn SOS ⓘ
bootMethod disk boot from block 0 loader ⓘ
developer Apple Inc. ⓘ
surface form: Apple Computer, Inc.
distributedWith Apple IIc ⓘ
Apple IIe ⓘ
Apple IIgs ⓘ
fileSystemBlockSize 512 bytes ⓘ
fileSystemType hierarchical directory file system ⓘ
inspiredBy Apple III ⓘ
surface form: Apple III SOS
kernelArchitecture modular ⓘ
license proprietary software ⓘ
maximumFilesPerDirectory 51 files (original ProDOS) ⓘ
maximumVolumeSize 32 MB ⓘ
notableFeature improved disk I/O performance over Apple DOS 3.3 ⓘ
more robust file system than Apple DOS 3.3 ⓘ
standardized device driver interface ⓘ
support for multiple storage device types ⓘ
operatingSystemFor Apple II ⓘ
surface form: Apple II series

Apple IIc ⓘ
Apple II ⓘ
surface form: Apple IIe

Apple IIgs ⓘ
platform Apple II ⓘ
surface form: 8-bit Apple II
predecessor Apple DOS ⓘ
surface form: Apple DOS 3.3
primaryProgrammingLanguage 6502 assembly language ⓘ
releaseYear 1983 ⓘ
replaces Apple DOS 3.3 as standard Apple II OS ⓘ
successor GS/OS ⓘ
ProDOS self-linksurface differs ⓘ
surface form: ProDOS 8
supportsFeature 3.5-inch disk drives ⓘ
RAM disks ⓘ
block device abstraction ⓘ
file attributes ⓘ
hard disk drives ⓘ
interrupt-driven clock ⓘ
machine-language and BASIC programs ⓘ
network file servers ⓘ
random access files ⓘ
subdirectories ⓘ
time and date stamping of files ⓘ
supportsLanguage Applesoft BASIC ⓘ
BASIC ⓘ
surface form: Integer BASIC (via compatibility)

assembly language programs ⓘ
targetCPU 65C02 ⓘ
MOS Technology 6502 ⓘ
variant ProDOS self-linksurface differs ⓘ
surface form: ProDOS 16

ProDOS self-linksurface differs ⓘ
surface form: ProDOS 8

Referenced by (14)

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

Apple Desktop Bus Mouse → usedWithOperatingSystem → ProDOS ⓘ
Apple II → operatingSystem → ProDOS ⓘ
Apple 5.25" floppy disk drive → operatingSystemSupport → ProDOS ⓘ
Apple UniDisk 5.25 → operatingSystem → ProDOS ⓘ
ProDOS → successor → ProDOS self-linksurface differs ⓘ
this entity surface form: ProDOS 8
ProDOS → variant → ProDOS self-linksurface differs ⓘ
this entity surface form: ProDOS 8
ProDOS → variant → ProDOS self-linksurface differs ⓘ
this entity surface form: ProDOS 16
GS/OS → basedOn → ProDOS ⓘ
this entity surface form: ProDOS 16
GS/OS → predecessor → ProDOS ⓘ
this entity surface form: ProDOS 16
GS/OS → predecessor → ProDOS ⓘ
GS/OS → supports → ProDOS ⓘ
this entity surface form: ProDOS file system
GS/OS → replaces → ProDOS ⓘ
this entity surface form: ProDOS 16 shell
Apple SOS → successor → ProDOS ⓘ
Apple SOS → influenced → ProDOS ⓘ
this entity surface form: Apple ProDOS