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IBM Distributed Office Support System, or DISOSS is a centralized document distribution and filing application for IBM's mainframe computers running the MVS and VSE operating systems. Its counterpart under VM is PROFS. DISOSS runs under the CICS transaction processing system, and uses the SNADS messaging protocol.


DISOSS provides a variety of office functions including document preparation, a document library (archive), e-mail, calendar, and scheduling.[1]:pp.118-119

It supports document exchange between various IBM and non-IBM office devices including the IBM Displaywriter System, the IBM 5520, the IBM 8100, and Personal computers and word processors.[2] It offers format transformation and printing services, and provides a rich application programming interface (API) and interfaced with other office products such as IBM OfficeVision.

A number of other vendors such as Digital Equipment Corporation, Hewlett-Packard, and Data General provided links to DISOSS.[3]


DISOSS was introduced in 1980,[4] and "was designated a strategic IBM product in 1982."[3] It was a key part of IBM Systems Application Architecture (SAA), but suffered from a reputation as "difficult to understand" and "a resource hog."[5] DISOSS continues to be actively marketed and supported as of 2012.[6][7]


  1. ^ Linnell, Dennis (1990). The SAA Handbook. Addison-Wesley Publishing Company, Inc. ISBN 0-201-51786-8. 
  2. ^ Dix, John (September 22, 1986). "A T & T reveals new message blueprint". Network World. Retrieved September 9, 2012. 
  3. ^ a b Korzeniowski, Paul (November 17, 1986). "Despite itself, DISOSS use spreads". Network World. Retrieved September 18, 2012. 
  4. ^ Korzeniowski, Paul (May 12, 1986). "Disoss here to stay". Network World. Retrieved September 18, 2012. 
  5. ^ Raimondi, Donna (November 24, 1986). "Exec promises angry users IBM to improve office system". Computrworld. Retrieved September 18, 2012. 
  6. ^ IBM Corporation. "OfficeVision/MVS Details:". Retrieved September 20, 2012. 
  7. ^ IBM Corporation. "Supported product list (May 10, 2012)". Retrieved September 19, 2012. 

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