This is a list of the most common used git commands I use to have on my side when I haven't use git during a few days
Get help
# git help
# git help <command>
Configure system
# git config --system : Configures file /etc/gitconfig
Configure global
# git config --global : Configures user’s file ~/.gitconfig
List config options
# git config [--system,--global] --list
Edit config from editor
# export EDITOR=[chosen editor]
# git config [--system,--global] -e