Template:Mainframe I/O access methods

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v • d • e OS/360 I/O access methods Storage EXCP  · BDAM  · BSAM  · QSAM  · BPAM ISAM  · VSAM  · OAM Network BTAM  · QTAM  · TCAM  · VTAM

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.

[edit] Including EXCP

Using the Execute Channel Program (EXCP) macro is actually just not using any access method at all, nevertheless it was included for reference.

[edit] See also

• Access method
• Data set (IBM mainframe)

[edit] External references

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