Understanding Uncommitted Changes in Git

In Git, an "uncommitted" change refers to a modification made to a file or set of files in your local repository that has not been committed yet. This means that the changes have been made locally on your computer, but they have not been shared with other team members or stored in the central repository.

In other words, uncommitted changes are modifications that you have made to your codebase since the last time you committed your changes, but those changes have not been formally recorded in your Git history.

Here are some key things to know about uncommitted changes:

1. They are local only: Uncommitted changes are specific to your local repository and have not been shared with other team members. This means that if you were to lose your local repository or switch to a different computer, you would lose all of your uncommitted changes.
2. They can be discarded: Because uncommitted changes are not formally recorded in the Git history, they can be discarded at any time by simply overwriting them with new changes. This is why it's important to commit your changes regularly to avoid losing work.
3. They can cause conflicts: If you have made uncommitted changes to a file and then someone else has committed changes to the same file, you may encounter conflicts when you try to commit your changes. This is because Git does not know how to merge your local changes with the changes that have been committed by someone else.
4. They can be ignored: If you don't want to include uncommitted changes in your Git history, you can use the `git ignore` command to ignore them. This will prevent Git from tracking those changes and including them in your commits.

In summary, uncommitted changes are modifications made to your codebase that have not been committed yet. They are local only, can be discarded, can cause conflicts, and can be ignored. It's important to commit your changes regularly to avoid losing work and ensure that your Git history is accurate and up-to-date.