Added images folder

docs/source/useful_tools.rst

@@ -1,25 +1,25 @@
 .. _useful_tools:
-=====================================
+*********************************
 Tools you might want to check out
-=====================================
+*********************************
 
 .. contents:: Table of Contents
     :local:
 
 .. _tools_intro:
-----------------------
+============
 Introduction
-----------------------
+============
 
 There are tools out there that can make your workflow **much, much smoother**.
 This is a small list of some of the tools that I've found useful throughout my 
 stay at Vanderbilt. They have significantly improved my workflow, and 
 have made the projects much easier to understand.
 
 .. _htop_sec:
---------------------------------------
+=====================================
 htop - An interactive viewer for Unix
---------------------------------------
+=====================================
 
 For viewing which processes are running on your computer and how much 
 memory is left, I like to use `htop <https://hisham.hm/htop/>`_.
@@ -33,6 +33,60 @@ This application, as shown in
     htop running in the terminal.
     Credit: `Wikipedia <https://en.wikipedia.org/wiki/Htop#/media/File:Htop.png>`_
 
+This tools is extremely useful when running multiple jobs, since it lets 
+you see which *jobs* are running, for how long they've been running, and 
+more. Figure :numref:`htop_fig` how *htop* looks whenever you run this 
+from the terminal:
+
+.. code-block:: shell
+
+    htop
+
+.. _htop_explained:
+--------------
+htop Explained
+--------------
+
+htop has different things to offer. Figures :numref:`htop_top_fig` and 
+:numref:`htop_bottom_fig` explain what each column means.
+
+.. _label: htop_top_fig
+.. figure:: ./images/useful_tools/htop_top.png
+
+   Top of *htop*. This figure shows the different components in the 
+   upper part of *htop*.
+   Credit: `CodeAhoy<https://codeahoy.com>`_
+
+And the bottom part ...
+
+.. _label: htop_bottom_fig
+.. figure:: ./images/useful_tools/htop_bottom.png
+
+   Top of *htop*. This figure shows the different components in the 
+   bottom part of *htop*.
+   Credit: `CodeAhoy<https://codeahoy.com>`_
+
+
+.. _htop_resources:
+---------------
+Further Reading
+---------------
+
+For a **more in depth discussion** of the different sections of :code:`htop`, 
+see:
+
+* `htop Explained Visually <https://codeahoy.com/2017/01/20/hhtop-explained-visually/>`_
+* `Understanding and using htop monitor system resources <http://www.deonsworld.co.za/2012/12/20/understanding-and-using-htop-monitor-system-resources/>`_
+* `htop Explained <https://peteris.rocks/blog/htop/>`_
+
+.. _tmux_screen_sec:
+=============================================
+tmux and screen - Terminal Multiplexers
+=============================================
+
+
+
+