Set the global config
git config --global user.name "[name]"
git config --global user.email "[email]"
Create a git repository
git init
Clone an existing git repository
git clone [url]
Commit all tracked changes
git commit -am "[commit message]"
Add new modifications to the last commit
git commit --amend --no-edit
Change last commit message
git commit --amend
Undo most recent commit and keep changes
git reset HEAD~1
Undo the N most recent commit and keep changes
git reset HEAD~N
Undo most recent commit and get rid of changes
git reset HEAD~1 --hard
Reset branch to remote state
git fetch origin
git reset --hard origin/[branch-name]
Renaming the local master branch to main
git branch -m master main