a. What is an issue?
An issue could be used as a checklist tracker and to-do list in a software project
b. What is a pull request?
When we updated an aspect of the program, like one of its features, we request the team to update the software by creating a pull request
c. Describe the steps to open a pull request?
First is to update, modify, or optimize a peace of the program, then test the program to see if it's working as expected. Then we go with creating a pull request so that the program will be updated with the desired change we made
d. Describe the steps to add a collaborator to a repository (share write permissions)
It will be done through settings tab of the repository
e. What is the difference between git and GitHub?
git is a version control and GitHub is the website which hosts the codes and uses git
f. What does git diff do?
measuring the difference between two branches in two repositories
g. What is the main branch?
It's where all codes are aggregated
h. Besides our initial commit if it is a new repository, should we directly push our changes directly into the main branch?
It's better not to. Create another branch, push the changes there, then merge it with the main branch