diff --git a/linux-dictionary.tex b/linux-dictionary.tex
index 8c521b8..073ed69 100644
--- a/linux-dictionary.tex
+++ b/linux-dictionary.tex
@@ -45,7 +45,55 @@
 
 \begin{document}
 
-What follows is a dictionary of various terms related to Linux. It currently resides at\\ \texttt{https://git.kjodle.net/kjodle/linux-dictionary}. \\ \tabto{0.3cm}\textbf{Note:} A lot of these terms also relate to Unix. \textit{Caveat emptor!} \\ \tabto{0.3cm} \textbf{n.b.:} Some of these terms may also refer to Mac OSX or Windows. \textit{Intense shuddering intensifies.}
+\begin{center}
+\textbf{{\LARGE The Introduction}}
+\end{center}
+
+\begin{multicols}{2}
+
+What follows is a dictionary of various terms related to Linux. It currently resides at\\ \texttt{https://git.kjodle.net/kjodle/linux-dictionary}. Go here to buy a paper copy of this book. 
+
+\tabto{0.3cm} \textbf{Note:} A lot of these terms also relate to Unix. \textit{Caveat emptor!}
+
+\tabto{0.3cm} \textbf{n.b.:} Some of these terms may also refer to Mac OSX or Windows. \textit{Intense shuddering intensifies.}
+
+\end{multicols}
+
+\bigskip
+
+\begin{center}
+\textbf{{\LARGE The Abbreviations}}
+\end{center}
+
+\begin{multicols}{2}
+
+Standard Latin definitions are used extensively throughout this document.
+
+\tabto{0.3cm} \textit{c.f.} -- 
+
+\tabto{0.3cm} \textit{e.g.} -- 
+
+\tabto{0.3cm} \textit{i.e.} -- 
+
+\tabto{0.3cm} \textit{n.b.} -- 
+
+\tabto{0.3cm} \textit{q.v.} -- This is an abbreviation of the Latin phrase \textit{quae vide}, which translates as ``which see'' which denotes a cross reference to another item. Essentially, it means ``see also (this other thing).''
+
+\tabto{0.3cm} \textit{q.q.v.} -- Similar to \textit{q.v.}, this denotes a cross reference to two or more other items. Essentially, it means ``see also (these other things).''
+
+\medskip
+
+Additional modern abbreviations used include:
+
+\tabto{0.3cm} \textbf{RTFM} -- ``Read the effing manual'' 
+
+\tabto{0.3cm} \textbf{tl;dr:} -- ``too long; didn't read''
+
+\tabto{0.3cm} \textbf{YMMV} -- ``Your mileage may vary''
+
+
+
+\end{multicols}
 
 \bigskip
 
@@ -57,13 +105,13 @@ What follows is a dictionary of various terms related to Linux. It currently res
 
 \begin{multicols}{2}
 
-\begin{small}
+%\begin{small}
 
 \begin{hangparas}{.3cm}{1}
 
 \textbf{ALSA}
 
-\textbf{apt} -- Some information about apt.
+\textbf{apt} -- The Advanced Packaging Tool. It is the front end for the Debian package management system. It performs a large number of functions, including downloading of packages, resolving dependencies, and installation of Debian packages (which have a .deb file extention).
 
 \textbf{apt-get}
 
@@ -73,12 +121,16 @@ What follows is a dictionary of various terms related to Linux. It currently res
 
 \textbf{bin}
 
-\textbf{bin}
-
 \textbf{binary}
 
 \textbf{boot}
 
+\textbf{clear}
+
+\textbf{CLI} -- The Command Line Interface, that is, a text-based interface, which is the opposite of a GUI or graphical user interface.
+
+\textbf{codec} -- A piece of software that encodes and decodes (i.e., plays) digital data, typically audio and video streams.
+
 \textbf{command binary}
 
 \textbf{command line}
@@ -87,10 +139,14 @@ What follows is a dictionary of various terms related to Linux. It currently res
 
 \textbf{cp}
 
-\textbf{CUPS}
+\textbf{CUPS} -- The Common Unix Print Server. It is Ubuntu's print server, which is a dream when it works properly and a nightmare when it doesn't.
+
+\textbf{daemon} -- A process that runs in the background. These perform a large number of tasks, such as writing to system logs or monitoring your network.
 
 \textbf{Debian}
 
+\textbf{dependency}
+
 \textbf{dev}
 
 \textbf{dpkg}
@@ -109,6 +165,10 @@ What follows is a dictionary of various terms related to Linux. It currently res
 
 \textbf{git}
 
+\textbf{GNOME}
+
+\textbf{groff}
+
 \textbf{GUI}
 
 \textbf{home}
@@ -145,6 +205,8 @@ What follows is a dictionary of various terms related to Linux. It currently res
 
 \textbf{opt}
 
+\textbf{package}
+
 \textbf{pandoc}
 
 \textbf{pdftk}
@@ -183,6 +245,8 @@ What follows is a dictionary of various terms related to Linux. It currently res
 
 \textbf{tmp}
 
+\textbf{troff}
+
 \textbf{Ubuntu}
 
 \textbf{unix principle}
@@ -193,7 +257,7 @@ What follows is a dictionary of various terms related to Linux. It currently res
 
 \end{hangparas}
 
-\end{small}
+%\end{small}
 
 \end{multicols}