
I hope you mean Software Project Life Cycle, is different phases through which a software goes through in the development process. These phases helps in understanding the requirement, designing, integration, testing, and maintenance of the application.
Broadly, there are 6 phases of the software development
1. Requirements specification (Requirements analysis)
2. Software Design
3. Integration
4. Testing (or Validation)
5. Deployment (or Installation)
6. Maintenance
Refer this
http://en.wikipedia.org/wiki/Software_development_life_cycle for more.
Regards,
Sheo Narayan
http://www.dotnetfunda.com
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