Original author(s)Chris Peters
Developer(s)Microsoft, IBM, Digital Research, Datalight, Novell, Toshiba, MetaComCo, Processor Technology, TSL, Imre Leber
Initial release1982, 41–42 years ago
Operating systemMS-DOS, PC DOS, FlexOS, DR DOS, 4690 OS, TRIPOS, PTDOS, AmigaDOS, PC-MOS, ROM-DOS, PTS-DOS, SISNE plus, FreeDOS, OS/2, eComStation, ArcaOS, Windows
LicenseMS-DOS: MIT

In computing, diskcopy is a command used on a number of operating systems for copying the complete contents of a diskette to another diskette.[1][2]


DISKCOPY.COM (among other commands) in IBM PC DOS 1.0.

The command is available in MS-DOS, IBM PC DOS, DR FlexOS,[3] IBM/Toshiba 4690 OS,[4] MetaComCo TRIPOS,[5] Processor Technology PTDOS,[6] AmigaDOS, TSL PC-MOS,[7] PTS-DOS,[8] SISNE plus,[9] FreeDOS,[10] IBM OS/2,[11] and Microsoft Windows.[12]

The MS-DOS version was originally written in August 1982.[13][14] It is available in MS-DOS versions 2 and later.[15] Digital Research DR DOS 6.0[16] and Datalight ROM-DOS[17] also include an implementation of the diskcopy command. The FreeDOS version was developed by Imre Leber and is licensed under the GNU GPL 2.[18]

The command is not included in Windows 10.[19][failed verification]

The command is not included in Windows 11. xcopy is a like command


>diskcopy a: b:
>diskcopy a:
>diskcopy a: /1
>diskcopy a: /V
>diskcopy a: /M


Diskcopy does not work with hard disk drives, CDs, network drives, Zip drives, or USB drives, etc. It also does not allow diskcopy from 3.5 inch drive to 5.25 inch drives, and vice versa. The source and target drive must be the same size.[20]


  1. ^ "Microsoft Windows XP - Diskcopy". Microsoft. Archived from the original on 2012-07-12. Retrieved 2012-07-09.
  2. ^ Rügheimer, Hannes; Spanik, Christian (September 14, 1988). AmigaDOS quick reference. Grand Rapids, Mi : Abacus. ISBN 9781557550491 – via Internet Archive.
  3. ^ "FlexOS User's Guide" (PDF). www.bitsavers.org. 1986. Archived from the original (PDF) on 2019-09-25. Retrieved 2020-09-14.
  4. ^ [1][dead link]
  5. ^ "Manual" (PDF). www.pagetable.com. Retrieved 2020-09-14.
  6. ^ Leaflet for the Helios II system and PTDOS
  7. ^ "roelandjansen/pcmos386v501". GitHub. 10 October 2022.
  8. ^ "PTS-DOS 2000 Pro User Manual" (PDF). Buggingen, Germany: Paragon Technology GmbH. 1999. Archived (PDF) from the original on 2018-05-12. Retrieved 2018-05-12.
  9. ^ "SISNE plus - Referência Sumária". Datassette. May 14, 2015.
  10. ^ "ibiblio.org FreeDOS Group -- FreeDOS Base". www.ibiblio.org.
  11. ^ "JaTomes Help - OS/2 Commands". Archived from the original on 2019-04-14. Retrieved 2019-07-27.
  12. ^ "Diskcopy". docs.microsoft.com. 11 September 2009.
  13. ^ Paterson, Tim (2013-12-19) [1983]. "Microsoft DOS V1.1 and V2.0: /msdos/v20source/DISKCOPY.ASM". Computer History Museum, Microsoft. Retrieved 2015-10-01.
  14. ^ Shustek, Len (2014-03-24). "Microsoft MS-DOS early source code". Software Gems: The Computer History Museum Historical Source Code Series. Retrieved 2015-10-01.
  15. ^ Wolverton, Van (2003). Running MS-DOS Version 6.22 (20th Anniversary Edition), 6th Revised edition. Microsoft Press. ISBN 0-7356-1812-7.
  16. ^ DR DOS 6.0 User Guide Optimisation and Configuration Tips
  17. ^ "Datalight ROM-DOS User's Guide" (PDF). www.datalight.com.
  18. ^ "ibiblio.org FreeDOS Package -- DiskCopy (FreeDOS Base)". www.ibiblio.org.
  19. ^ "diskcopy". docs.microsoft.com. 3 February 2023.
  20. ^ "ActiveWindows -- DOS Diskcopy Command". www.activewin.com. Archived from the original on July 7, 2011.

Further reading