the git command's behavior. `.git/config` file for each repository
is used to store the information for that repository, and
`$HOME/.gitconfig` is used to store per user information to give
-fallback values for `.git/config` file.
+fallback values for `.git/config` file. The file `/etc/gitconfig`
+can be used to store system-wide defaults.
They can be used by both the git plumbing
and the porcelains. The variables are divided into sections, where