Software Release Life Cycle

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LIFE CYCLE: The version of program life cycle consists of different stages that report the stability of a piece of program and the amount of development is necessary before the final release. Each major version of a product usually goes through a stage when new features are added, or the alpha stage, a stage that is being actively debugged, or the beta stage, and finally a stage in which all major errors have been removed, or the stable phase. Intermediate stages may even be recognized. The stages can be formally announced and regulated by the developers of the project, but sometimes the terms are used informally to report the status of a product. Conventionally, code names are often used by lots of companies for versions prior to product launch, although the actual product and features are seldom secret.




Program release stages

Pre-alpha:
Pre-alpha stage is the time period since the beginning of the development phase until Alpha release (or any other step that follows, if developers select to have no Alpha version). Sometimes a generation known as pre-alpha is issued before the release of an alpha or beta, as developers need to see how features work in action as development progresses. Unlike alpha-and beta versions, pre-alpha is not feature complete. When used, refers to all activities in the work of the program project prior under the microscope program. These activities can include requirements analysis, program design, program development and unit testing.
In typical open source development, there's several types of pre-alpha version. Milestone versions include a specific set of functions and are released as soon as the functionality is complete. Every night is based are versions that are usually controlled automatically from a revision control technique and built, usually in the work of the night, these versions permit the testers to test the functionality recently implemented immediately, and find new bugs .

Alpha
The alpha build program is the buildup of internal program testers that is, different people in the program engineers sometimes the public, but usually internal to the organization or community that develops the program. In the rush to market, increasingly companies are participating outside customers or string value of the couple in their alpha testing phase. This enables more extensive usability testing in the work of the alpha phase.In the first phase of testing, developers usually test the program using white box techniques. Additional validation is then performed using the techniques of black box or grey box, another dedicated testing team, sometimes simultaneously. Turning to black box testing inside the organization is called alpha version.
In program testing terminology alpha testing is done by the customer on the presence or construction of the tester and the test surroundings is not open for the finish user.The beta test is carried out by the finish user and the test surroundings is open.

Beta
Beta testing allows the program to undergo usability testing with users who provide information, so that any malfunctions these users find in the program can be reported to the developers and fixed. beta program can be unstable and may cause accidents or loss of information.A beta version is the first version released outside the organization or community that develops program for the purpose of evaluation or real-world black / grey box testing. The technique of delivering a beta version for users is called beta. Beta level program usually includes all features, but can also include known issues and bugs of a variety of lesser severity.Users of a beta version are called beta testers. They are usually customers or potential customers of the organization developing the program. They receive the program free or at a reduced cost, but act as evaluators free.
Beta versions test the compatibility of the product, the output messages to the market (customers, while recruitment Beta), the chance of manufacturing the product, and total channel flow or channel reach.
Beta is the version of program that may be useful for internal demonstrations and previews to select customers, but unstable and not yet prepared for launch. Some developers refer to this stage as a preview, a prototype, a technical progress (TP) or as an early access. In the second milestone in the life cycle of the release, after the alpha phase is the name of the Greek letter beta, the second letter of the Greek alphabet.Often this stage begins when the developers announce a feature freeze on the product, indicating that the requirements have no longer be accepted for this version of the product. Only program issues, or bugs and unimplemented features will be addressed.Developers either a closed beta or open beta, closed beta versions are released to a select group of individuals in a user test, while open betas are a group of the larger community, usually the general public . The testers document any bugs they found and sometimes minor features they need to see in the final version.