Template:Mainframe I/O access methods

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The OS/360 I/O access methods are programming APIs on the OS/360 mainframe computer operating system, used by programmers to implement input/output operations on data sets (files). They are by convention referenced to with ...AM acronyms, standing for ... Access Method. They are now mainly used in OS/360's successor z/OS.

Including EXCP

While the Execute Channel Program (EXCP) macro, is included in this list, EXCP works with OPEN to allow callers to issue hardware specific channel commands to datasets on DASD/TAPE, technically it is a dataset abstraction interface for higher level access methods.

See also

External references

  1. History of IBM mainframes
  2. IBM Redbook for system programmers




See also