It all started with git. I was familiar a little with cvs and svn but git beats them all and it is the first VCS I started to use for my own projects.

Common Task

1. Changing author info
2. How to Undo Almost Anything with GIT

Documentation

1. Branch Naming Best Practices - StackOverFlow.
2. Gitolite - remote access and privilege system for git repositories, used by kernel.org.

Articles

1. Stay Away From Rebase - on rebase, when to avoid, when appropriate. Interesting article.