1. Check Existing Configurations

git config --list --global

This will show your current Git settings, including user info, credentials, and custom settings.

2. Delete Git Config Files

Run the following command to remove the global Git config file:

rm -f ~/.gitconfig

If you also want to reset system-wide configurations (not usually needed), run:

sudo rm -f /etc/gitconfig

3. Remove SSH Keys (if set up earlier)

If you previously set up SSH authentication, remove the SSH key files:

sh
CopyEdit
rm -rf ~/.ssh

Step 2: Uninstall and Reinstall Git

1. Uninstall Git (Optional but Recommended for a Fresh Start)

Since you're using a Mac, Git is usually installed via Xcode tools. To uninstall Git:

sudo rm -rf /usr/local/git
sudo rm -rf /usr/local/bin/git

If Git was installed via Homebrew, uninstall it using:

brew uninstall git

2. Reinstall Git

To reinstall Git, run: