https://www.udemy.com/course/git-basic-concept-fundamentals-github/

Most comprehensive, STEP by STEP Git & GitHub tutorial with great & easy to understand examples and Quizzes.

What you'll learn: 

Build rock solid foundation in Git and related concepts

Learn Git installation on multiple platforms

Learn how to configure git repository in 3 ways

Learn how to modify, add and commit artifacts

Learn how to inspect Git repository using status and log checks

Learn Git branching basics

Learn to basics of public key cryptography

Learn GitHub and how use and manage the web based Git repository

Learn how to communicate with GitHub from local repository

Learn HTTPS and SSH connection with GitHub

Learn details of connection management

Learn basic file management in git bash environment

Learn how to customize/colorize Git bash prompt for productivity

Learn how to undo changes in Git repository through checkout, reset, revert and clean

Learn how to install and configure "Sublime Text" as the default text editor for Git

Learn how to install and configure "p4merge" as Git diff and merge tool

Learn how to perform Git comparisons between various sections of a Git repository

Requirements:

A computer (PC/MAC/Linux) with Internet connection

Basic knowledge of Computer

Software installation might need Admin rights

Who this course is for:

Software developers, engineers, web designers, freelancers new to Git

Anybody interested in using Git as a version control system

Those who want to use GitHub as a web-based Git repository hosting service

Enterprise managers looking to enhance team skills with Git and GitHub knowledge

This course is not for Git users whose Git & GitHub knowledge is at expert level