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Software release life cycle
A software release life cycle is the sum of the stages of development and maturity for a piece of computer software: ranging from its initial development to its eventual release, and including updated versions of the released version to help improve software or fix bugs still present in the software
Contents
1 History
2 Stages of development
21 Pre-alpha
22 Alpha
23 Beta
231 Open and closed beta
24 Release candidate
3 Release
31 Release to manufacturing RTM
32 General availability GA
33 Release to web RTW
4 Support
41 End-of-life
5 See also
6 References
7 Bibliography
History
Usage of the "alpha/beta" test terminology originated at IBM As long ago as the 1950s and probably earlier, IBM used similar terminology for their hardware development "A" test was the verification of a new product before public announcement "B" test was the verification before releasing the product to be manufactured "C" test was the final test before general availability of the product As software became a significant part of IBMs offerings, the alpha test terminology was used to denote thsoftware release life cycle, software release life cycle flowchart Software release life cycle