- [http://cluedumps.mit.edu/wiki/2009/09-29](http://cluedumps.mit.edu/wiki/2009/09-29)
- [http://eagain.net/articles/git-for-computer-scientists/](http://eagain.net/articles/git-for-computer-scientists/)
- [http://blog.nelhage.com/archives/74](http://blog.nelhage.com/archives/74)
+- [https://blog.udemy.com/git-tutorial-a-comprehensive-guide/](https://blog.udemy.com/git-tutorial-a-comprehensive-guide/)