CP/M

E40551

8-bit operating system microcomputer operating system operating system

CP/M is an early microcomputer operating system widely used in the late 1970s and early 1980s, known for its influence on later systems like MS-DOS.

Predicate	Object
instanceOf	8-bit operating system → microcomputer operating system → operating system →
abbreviationOf	Control Program for Microcomputers →
component	BDOS → BIOS → CCP →
creator	Gary Kildall →
defaultCommandProcessor	CCP →
designedFor	Intel 8080 → Intel 8085 → Zilog Z80 →
developer	Digital Research →
distributionMedium	floppy disk →
fileExtensionConvention	.ASM → .COM → .HEX → .SUB →
fileSystem	8.3 filename convention → flat file system →
firstReleased	1974 →
hasDefaultShellCommand	DIR → ED → PIP → STAT → SUBMIT →
influenced	86-DOS → CP/M-86 → Concurrent CP/M → DR-DOS → MS-DOS → PC DOS →
influencedBy	DEC operating systems →
inspiredBy	mainframe operating systems →
license	proprietary software →
memoryModel	64 KB address space →
notableFor	influence on MS-DOS design → widespread use on early microcomputers →
operatingSystemFamily	CP/M family →
originalReleaseYear	1974 →
peakPopularity	early 1980s → late 1970s →
platform	8-bit microcomputers →
status	discontinued →
successor	CP/M-86 → Concurrent CP/M → DR-DOS →
supports	.COM executable format → command-line interface → single-tasking → single-user operation → transient programs →
targetHardware	disk-based microcomputers →
usedOn	Amstrad CPC → Amstrad PCW → IMSAI 8080 → Kaypro computers → MITS Altair 8800 → Osborne 1 → S-100 bus computers →
userInterface	command-line interface →

Subject (surface form when different)	Predicate
CP/M ("BDOS") → CP/M-86 ("BDOS") →	component
CP/M ("CP/M family") → CP/M-86 →	operatingSystemFamily
CP/M-86 →	basedOn
CP/M-86 ("CP/M-80") →	influencedBy
Turbo Pascal →	operatingSystem