Complete Git Guide: Understand and Master Git and GitHub - Git Repository Changes after a Third Commit

The video tutorial explains the process of creating and managing Git commits, focusing on the third commit. It covers the consistency between the working directory, staging area, and Git repository. The tutorial explores the HEAD file, commit objects, and tree objects, highlighting the automatic updates of pointers in Git. It also discusses the concept of empty tree objects due to file deletions and examines the contents of the staging area and repository, emphasizing Git's ability to store the entire history of changes.

What command is used to view the list of commits in a Git repository?

• git commit

• git log

• git branch

• git status

What does the HEAD file in Git represent?

• The current branch pointer

• The list of all branches

• The history of all commits

• The configuration settings

What is the significance of a SHA-1 hash in Git?

• It configures user settings

• It lists all branches

• It stores the commit message

• It identifies a specific commit

What is a tree object in Git?

• A configuration file

• A structure representing a directory

• A pointer to a commit

• A list of all branches

Why might a tree object in Git be empty?

• Because the repository is new

• Because all files have been deleted

• Because the commit message is missing

• Because there are no branches

What happens to the history of files in Git after they are deleted?

• The files are archived

• The history is lost

• The files are permanently removed

• The history is retained

How can you access files that were deleted in a previous commit?

• By using the git init command

• By creating a new branch

• By checking out a previous commit

• By using the git status command