Access method: Difference between revisions

Revision as of 14:56, 4 September 2012

Revision as of 16:25, 19 December 2012

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{{ref improverefimprove|date=August 2012}}

{{Mainframe I/O access methods}}

An '''access method''' is a function of a [[mainframe computer|mainframe]] [[operating system]] that enables access to data on disk, tape or other external devices. They were introduced in 1963 in IBM [[OS/360]] operating system.<ref name=aus>[http://researchweb.watson.ibm.com/journal/rd/255/auslander.pdf M. A. Auslander, D. C. Larkin, A. L. Scherr: "The Evolution of the MVS Operating System", pages 478-479]</ref> Access methods provide an [[API]] for programmers to transfer data to or from device, and could be compared to [[device driver]]s in non-mainframe operating systems.

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[[Category:IBM mainframe operating systems]]

[[Category:Computer file systems]]

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[[my:Access method]]