How much Git is required in day to day task

In this session I will be guiding you throught the use of git in teh life of developer. The topics that I will be covering are:

1. What is git and github and what is the difference
2. Why I need to lean git as I am a developer, cann't my work be done without using git
3. What all commands are required to know as a beginners
4. What all commands professionals uses to simply their work
5. How you will start your day in company with git and use it before sign off from work.
6. What all commands I have used in my journey.