The `git revert` command is used to create a new commit that undoes the changes made in a previous commit. It effectively creates a new commit that negates the changes introduced by the target commit. Here's how to use `git revert`:

1. **Identify the Commit to Revert**: First, determine the commit you want to revert. You can find the commit hash using `git log` or by referencing a branch or tag.

2. **Revert the Commit**: Use the following command to revert the target commit:

git revert <commit>
Replace `<commit>` with the hash or reference of the commit you want to revert.

3. **Review the Changes**: Git will create a new commit that undoes the changes introduced by the target commit. The commit message will be automatically generated, explaining the revert operation.

4. **Save and Exit the Commit Message**: If your Git configuration uses a default text editor, it will open to allow you to modify the commit message. If you're satisfied with the message, save and exit the editor.

5. **Push the Revert Commit (Optional)**: If you want to make the revert commit part of the shared repository history, you can push the changes using `git push`. Note that pushing to a remote repository requires appropriate permissions.

After reverting a commit, the changes introduced by the target commit will be effectively undone in subsequent commits. The revert commit itself will be included in the repository's history as a new commit.

It's important to note that `git revert` is a safe way to undo changes since it creates a new commit instead of rewriting the history. This preserves the integrity of the commit history and is recommended for reverting changes in a shared repository. However, if you want to completely remove a commit and its changes from the history, you may consider using `git reset` or `git rebase` with caution, as they modify the commit history and can cause issues in a shared repository.

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