git
git is a decentralized version control system (VCS) used to allow collaborative software development and tracking changes in code. It is the tool used by GitHub, but is a completely independent tool ―developed by Linus Torvalds, the creator of the Linux kernel.
To learn the basic concepts and commands, take a look at this nice tutorial: git - the simple guide (em portugês)
| How a decentralized VCS works |
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- Bitbucket tutorials
- GitHub help (em portugês)
- Pro Git book (online)