Complete Git Guide: Understand and Master Git and GitHub - Detached HEAD State

The video tutorial explains the concept of a detached head state in Git, how to enter it, and what actions can be performed while in this state. It covers the automatic movement of the head pointer with branch pointers, the process of checking out a specific commit to enter detached head state, and the ability to explore the project at that commit. The tutorial also discusses making experimental commits in this state, the implications of returning to the master branch, and the option to create a new branch to preserve changes. Finally, it highlights the importance of creating a branch to avoid losing commits made in detached head state.

What is the primary function of the head in Git before entering a detached head state?

• It points to a specific commit.

• It points to a specific branch.

• It points to the root directory.

• It points to the latest tag.

How can you enter a detached head state in Git?

• By merging two branches.

• By checking out a specific commit using its SHA-1 hash.

• By deleting the master branch.

• By creating a new branch.

What happens to commits made in a detached head state if no new branch is created?

• They are saved as a new branch by default.

• They are stored permanently in the detached head state.

• They are automatically merged into the master branch.

• They are garbage collected by Git.

What is a key advantage of creating a new branch from a detached head state?

• It allows you to merge changes into the master branch automatically.

• It prevents the loss of experimental commits.

• It automatically deletes the detached head state.

• It creates a backup of the master branch.

What should you do to ensure that experimental commits in a detached head state are not lost?

• Revert to the previous commit.

• Create a new branch at the point of the detached head.

• Merge the detached head state with the master branch.

• Delete the detached head state.