SHELL

configure your git username/email

git config --global user.name "FIRST_NAME LAST_NAME"
git config --global user.email "YourEmail@example.com"

get git config username and email

git config --global user.email
git config --global user.name

update git config username and email

git config --global --edit

how to config username and email in git

git config --global user.name "Name"
git config --global user.email "exe@exe.com"

git config email

$ git config --global user.email fulanodetal@exemplo.br

git config set email

git config --global user.email youremail@example.com
#git config can be used to set user-specific configuration values like email, username, file format, and so on.
#The –global flag tells GIT that you’re going to use that email for all local repositories.

git config global username and email

// -> Goto .git
// -> Then edit config 

[user]
	name = xyzzz
	email = abhishek@gmail.com

How to change git username and email and general most common git configuration

$ git config --global user.name "John Doe"
$ git config --global user.email johndoe@example.com

More git configartion info:
https://git-scm.com/book/en/v2/Customizing-Git-Git-Configuration#_code_commit_template_code