What is this?
Git How To is a guided tour that walks through the fundamentals of Git, inspired by the premise that to know a thing is to do it.
By the way, if you know Ruby, you might better like the original Git Immersion.
Git is a powerful, sophisticated system for distributed version control. Gaining an understanding of its features opens to developers a new and liberating approach to source code management. The surest path to mastering Git is to immerse oneself in its utilities and operations, to experience it first-hand.
Before we begin, you have to install a Git client
yum install git
apt-get install git
zypper in git
brew install git