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SAA Last modified: Wednesday, May 23, 2001

Abbreviation of System Application Architecture, a set of architecture standards developed by IBM for program, user, and communications interfaces on various IBM platforms. The main components are: Common Programming Interface (CPI) Common User Access (CUA) Common Communication Support (CCS) SAA standards were first introduced in the late 1980s. Implementing these standards allows programmers to develop software that is consistent across differing platforms and operating systems.