a. What is an issue?

GitHub Issue is a feature that enables developers to track bugs and request new features. It can also help manage discussions, process support requests, track relationships and dependencies.

    b. What is a pull request?

Pull request is a GitHub feature that allows developers to propose changes to a repository to which they don't have write access. The pull request allows revision of proposed changes, feedback and code approval.

    c. How do I open up a pull request?

After changes are committed to GitHub, there will be a prompt alert on the repository.

    d. Give me a step by step guide on how to add someone to your repository.

1. Under your repository name, I choose Settings to access the project settings

2. Click Manage access

3. Under invite collaborators, search for the user that you want to invit

4. Choose the Colaborator role

5. Click Invite.

    e. What is the difference between git and GitHub?
    Git is a version control system that allow programmers and developers to work together on projects. It is a free and open source version control system that allows tracking of changes to the source code, coordination and collaboration of projects. GitHub is a website hosting all things related to Git and where the devepolloers store their projects and collaborate with like minded people.
   
   
    f. What does git diff do?
   

Git diff is a multi-use Git command that when executed runs a diff function on Git data sources. These data sources can be commits, branches, files and more. it shows changes between commits, comit and working tree, etc.

    g. What is the main branch?

It is the default branch of a repository, where changes are merged to.

    h. Besides our initial commit if it is a new repository, should we directly push our changes directly into the main branch?

We need to create a new document before ppushing changes.