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Everything about Access method

APIs in IBM mainframe computer operating systems

An access method is a function of a mainframe operating system that enables access to data on disk, tape or other external devices. Access methods were present in several mainframe operating systems since the late 1950s, under a variety of names; the name access method was introduced in 1963 in the IBM OS/360 operating system. Access methods provide an application programming interface (API) for programmers to transfer data to or from device, and could be compared to device drivers in non-mainframe operating systems, but typically provide a greater level of functionality. Wikipedia →

🧭 Start here: a 6-step reading path

  1. Read the overview: Access methodA 5-minute orientation
  2. Skim a recent paper: An encrypted medical blockchain data search method with access control mechanismInfluential work since 2022
  3. Pick up a classic book: IBM PC ApprenticeThe most-reprinted book on the subject
  4. Read the landmark paper: A Laparoscopic Method for Optimal Peritoneal Dialysis AccessCited 121 times
  5. Go sideways: Basic sequential access methodA closely related topic
  6. Go sideways: Queued Sequential Access MethodA closely related topic

📖 Definitions

Noun A method or means, usually a software or hardware component of a mainframe, to access data on an external storage device.

🏆 Landmark papers (most cited)

🆕 Influential since 2022

📚 Books worth reading

Ranked by number of editions on Open Library, a rough measure of how lasting a book is.

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