Systems Application Architecture
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Systems Application Architecture (SAA) is a set of standards for computer software, developed by IBM in the 1980s and implemented in IBM operating systems including OS/2. The purpose of the standards was to enable the development of interoperable software on different platforms and operating systems. The most important of the standards are:
- Common Programming Interface (CPI)
- Common User Access (CUA)
- Common Communication Support (CCS)
Of these, only the CUA, which standardizes parts of the user interface, remains influential.