git save username and password

// local
git config credential.helper store
// global
git config --global credential.helper store$ git config --global user.name "Mona Lisa"
$ git config --global user.name
$ monagit config --global credential.helper store$ git config credential.helper store
$ git push http://example.com/repo.git
Username: <type your username>
Password: <type your password>

[several days later]
$ git push http://example.com/repo.git
[your credentials are used automatically]# This cache timeout is in seconds
$ git config --global credential.helper 'cache --timeout=3600'