where is global config file for git code example

Example 1: git config global

$ git config --global user.name "John Doe"
$ git config --global user.email [email protected]

Example 2: where is global config file for git

git config --global --edit 
# It will open git config file and you can make necessary changes

Example 3: global configuration git

git config --global user.name "pseudo"
git config --global user.email "[email protected]"
git config --global user.password "password"