Primer On Using GitHub

- Git Reference http://gitref.org/
- Git Primer http://starlink.jach.hawaii.edu/starlink/GitPrimer
- VI Reference http://www.unix-manuals.com/refs/vi-ref/vi-ref.htm

- Download Git
https://help.github.com/articles/set-up-git

- Setup

$ git config --global user.name "Your Name Here"
# Sets the default name for git to use when you commit

$ git config --global user.email "your_email@example.com"
# Sets the default email for git to use when you commit

- Create a new repository (called Hello-World)
1. https://github.com/new
2.

$ mkdir ~/Hello-World
# Creates a directory for your project called "Hello-World" in your user directory

$ cd ~/Hello-World
# Changes the current working directory to your newly created directory

$ git init
# Sets up the necessary Git files
Initialized empty Git repository in /Users/you/Hello-World/.git/

$ touch README
# Creates a file called "README" in your Hello-World directory

$ git add README
# Stages your README file, adding it to the list of files to be committed

$ git commit -m 'first commit'
# Commits your files, adding the message "first commit"

$ git remote add origin https://github.com/username/Hello-World.git
# Creates a remote named "origin" pointing at your GitHub repository

$ git push origin master
# Sends your commits in the "master" branch to GitHub

- Add a file

$ git add filename 

- Make a commit (snapshot, record code changes)

$ git commit -a  

- See changes

$ git status  

- Push commit to remote server (subsequent)

$ git push 

- Cloning (copying) an existing repository with read/write access using HTTPS

$ git clone https://github.com/AFNetworking/AFNetworking.git

- Cloning an existing repository with read/write access using SSH

$ git clone git@github.com:username/repository-name.git 

- SSH Keys
https://help.github.com/articles/generating-ssh-keys
http://stackoverflow.com/questions/2643502/git-permission-denied-publickey