Systems Application Architecture
The System Application Architecture (engl. Systems Application Architecture, SAA ) is a collection of standards for cross-system software development , which of IBM were introduced in the late 1980s. The first implementations were in the IBM operating systems OS / 2 , OS / 400 and AIX .
The most important standards within the SAA are:
- CPI - Common Programming Interface is an application programming interface.
- CUA - Common User Access provides recommendations for the design of the user interface .
- CCS - Common Communication Support are recommendations for integrating application systems in networks .
The procedure language REXX was intended as the common language for application control .