Software Development Cycle

[Bartman8200]

Hey everyone.
I'm working on an assessment task and it requires me to research the stages of the development cycle (defining the problem, planning solution, implementing, testing and maintaining etc) for a real world product, like a game or operating system. I was wondering if there is any linux documentation available online, which includes the stages of the development cycle (and where I can obtain it?). But if you know of or have the address to sites to do with any software products and their development cycles, if you could send 'em along it would be greatly appreciated.

Btw, I know next to nothing about Linux, but seeing as it's generally freeware, I was assuming there would be documentation around, but I seem to be having trouble finding something decent.

[je_fro]

http://www.catb.org/~esr/writings/cathedral-bazaar/cathedral-bazaar/

[hard candy]

1.Decide on function and write the software
2. Debug
3. Alpha testing
4. Beta Testing
5. Gamma Testing- which is often the release in reality.
6. User feed back/ Bug reports
7. Bug fixes

Some of these sites are for closed source but the only difference between open and closed source is the license and the size of the testing team. Closed source keeps testing within an organization, open source usually releases alpha software to the public to be tested.

http://opensourcetesting.org/

http://osdl.org/lab_activities/kernel_testing/stp/

http://dmoz.org/Computers/Programming/Software_Testing/

http://qaforums.com/