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    "# Vim Text Editor\n",
    "\n",
    "## GUI-based and Terminal-based Editors\n",
    "\n",
    "The fundamental tool of every programmer is there text editor. While there many options for text editors, they generally fall into two categories: terminal-based and GUI-based.\n",
    "\n",
    "As the name implies, GUI-based text editors open up their own graphical user interface for you two write in. It is likely you have all worked with a GUI-based text editor such as Notepad, Notepad++, Visual Studio, Eclipse, MATLAB's editor, gedit, or [Sublime Text](https://www.sublimetext.com/) (my personal favorite)\n",
    "\n",
    "Terminal-based editors run directly in a command terminal and do not open up a separate window/interface. These can be a bit more tedious to work with at first. For example, you often can't use your mouse to move your cursor to different part of a file. It can even be hard to figure our how to exit a terminal-based text editor once it's started!!\n",
    "\n",
    "In spite of these initial difficulties, terminal-based text editors are very important for robotics and embedded programming. When modifying code on another \"remote\" computer or onboard your drone, you often can't open a graphical interface. This means you __must use a terminal-based editor__."
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    "## Vim Tutorial\n",
    "\n",
    "While there are many great terminal-based text editors (and __very__ strong opinions on which to use), this tutorial introduces [Vim](https://en.wikipedia.org/wiki/Vim_(text_editor)).\n",
    "\n",
    "The nice thing about Vim is that it comes with a ready-made tutorial! Simply open a terminal `Ctrl+Alt+T` and enter command:\n",
    "\n",
    "```\n",
    "vimtutor\n",
    "```\n",
    "\n",
    "...and away you go!\n",
    "\n",
    "<div class=\"alert alert-warning\">\n",
    "\n",
    "**Warning:** \n",
    "\n",
    "Everyone's first reaction and complaint about Vim is: \"HOW DO I EXIT OUT OF THIS THING!!!\". To exit, use the following sequence:\n",
    "\n",
    "```\n",
    "Esc\n",
    ":q\n",
    "```\n",
    "\n",
    "If it complains about unsaved work, either use `:wq` to save (write) or `:q!` to discard unsaved work\n",
    "\n",
    "</div>"
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