change git config username and password code example

Example 1: git config username and password global

git config --global user.name "fname lname"
git config --global user.email "[email protected]"
git config --global user.password "secret"

Example 2: how to change username and password in git

# change the whole things in one go
git config --global credential.helper cache # to enable credentail helper
git config --global --edit