| Developer(s) | Microsoft,IBM,DR,Datalight,Novell,Toshiba, Michal Meller |
|---|---|
| Initial release | 1981, 43–44 years ago |
| Operating system | MS-DOS,PC DOS,FlexOS,DR DOS,ROM-DOS,4690 OS,SISNE plus,OS/2,eComStation,ArcaOS,Windows,FreeDOS |
| Platform | Cross-platform |
| Type | Command |
| Website | docs |
Incomputing,diskcomp is acommand used for comparing the complete contents of afloppy disk to another one.
DISKCOMP.COM (among other commands) inIBM PC DOS 1.0.The command is used onDOS,Digital ResearchFlexOS,[1]IBM/Toshiba4690 OS,[2]SISNE plus,[3] IBMOS/2[4] andMicrosoftWindows.[5] It is available inMS-DOS versions 3.2 and later andIBM PC DOS releases 1 and later.[6]Digital ResearchDR DOS 6.0[7] andDatalightROM-DOS[8] also include an implementation of thediskcomp command. TheFreeDOS version was developed by Michal Meller.[9]
Thediskcomp command does not work withhard disk drives,CDs,network drives,Zip drives, orUSB flash drives, etc. It also does not allow comparison from 3.5 inch drive to 5.25 inch drives, and vice versa. The source and target drive must be the same size.[10]
Compare floppy disks in drive A: and drive B:
diskcomp a: b:
If the computer has only one floppy disk drive (in this case drive A:), it is still possible to compare two disks:
diskcomp a: a:
Thediskcomp command will prompt to insert each disk, as needed.
The software outputs "Compare OK" if no differences are found, and "Compare error on side [number], track [number]" upon detecting a difference.
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