There are lots of articles written, samples, et al. One such simpler article that I read recently was <a href="http:&#x2F;&#x2F;www.anishathalye.com&#x2F;2014&#x2F;08&#x2F;03&#x2F;managing-your-dotfiles&#x2F;" rel="nofollow">http:&#x2F;&#x2F;www.anishathalye.com&#x2F;2014&#x2F;08&#x2F;03&#x2F;managing-your-dotfile...</a>