dot·files: hidden files in a directory (folder) which are commonly used for storing user preferences or preserving the state of a utility
One of the many heralds of geekdom is an extremely customized environment. This is the history of my journey down that path.
I use GNU Emacs and Z-Shell as my primary tools for getting things done. I track my code with Git (though I do have some older projects using Mercurial). Much of that code is written in Python.