Git command `config`
Definition
You can query/set/replace/unset options with this command. The name is actually the section and the key separated by a dot, and the value will be escaped.
Basic usage
Add / modify a value to all users configuration
$ git config --system <var> <value>
Add / modify a value to user configuration
$ git config --global <var> <value>
Add / modify a value to repository configuration
$ git config --local <var> <value>
List all set variables
$ git config <cfg> -l
Remove a variable
$ git config <cfg> --unset <var>