This document provides an introduction and overview of Git, including requirements, installation, setting up repositories locally and on GitHub, and basic commands like tags, branches, and merging. It outlines how to install Git on Ubuntu or from source code, create a hello world repository locally and push it to GitHub, and clone an existing remote repository. Key topics covered include GitHub features for collaboration and code hosting, and practical uses of Git for version control and backing up code.

1. Git
A brief introduction

2. Index
1. Requirements
2. Installing, setting up
3. History and Caveats
4. Github
5. Hello World repository
6. Tags
7. Branch
8. Merging
9. Pull request
10.Practical uses

3. Requirements
● A GNU / Linux or Mac OS terminal
● Time
● An account in github.com
● A software manager (such as apt-get, or
yum)

4. Installing and setting up
Ubuntu (debian)
1. sudo apt-get update
2. sudo apt-get install git-core git gitk
From source code
Satisfy dependency:
zlib-devel openssl-devel cpio expat-devel
gettext-devel gcc
cd /usr/local/src
wget http://git-core.googlecode.com/files/git-
1.7.11.4.tar.gz
tar -xzcf git-1.7*
cd !$
./configure
make
make install

5. Installing and setting up
Important files
1. vi ~/.gitconfig
2. vi ~/.gitignore

6. Github
1. One of the most useful tool related to git.
2. A social network of programmers who
release their code to the world.
3. A sophisticated portfolio for programmers.
4. Reliable site to backup your data.
5. Clean way to release your code and get
some feedback.

7. Hello world (create repository)
1. mkdir myrepo
2. git init
3. vi hello_world.C
4. git add hello_world.C
5. git commit -m "First commit"
6. git push origin master

8. Hello world (remote access)
git clone git@myserver:~/myrepo.git