Standardised the section and subsection interpunction.

basics/basics.tex

@@ -31,7 +31,7 @@
 
 % First page of the presentation.
 \section{Introduction}
-\subsection{Operating systems.}
+\subsection{Operating systems}
 \begin{pframe}
   \begin{minipage}[t]{0.47\textwidth}
     \begin{figure}
@@ -52,7 +52,7 @@
   \end{minipage}
 \end{pframe}
 
-\subsection{Before operating systems.}
+\subsection{Before operating systems}
 \begin{pframe}
   Load one program from tape (if you are lucky to have one).
 
@@ -105,7 +105,7 @@
   \end{minipage}
 \end{pframe}
 
-\subsection{Text based operating systems.}
+\subsection{Text based operating systems}
 \begin{pframe}
   This picture may look familiar to some of us.
 
@@ -118,7 +118,7 @@
   \end{figure}
 \end{pframe}
 
-\subsection{The evolution of operating systems.}
+\subsection{The evolution of operating systems}
 \begin{pframe}
   \begin{figure}[]
     \begin{center}
@@ -130,7 +130,7 @@
   \end{figure}
 \end{pframe}
 
-\subsection{Modern operating systems.}
+\subsection{Modern operating systems}
 \begin{pframe}
   Currently, there are two main classes for personal computers.
   \begin{itemize}
@@ -149,7 +149,7 @@
 \end{pframe}
 
 \section{Windows}
-\subsection{Microsoft Windows.}
+\subsection{Microsoft Windows}
 \begin{pframe}
   \begin{minipage}[t]{0.47\textwidth}
     \begin{figure}[]
@@ -205,7 +205,7 @@
 \end{pframe}
 
 \section{Unix-like operating systems}
-\subsection{OS X.}
+\subsection{OS X}
 \begin{pframe}
   \begin{minipage}[t]{0.47\textwidth}
     \begin{figure}[]
@@ -228,7 +228,7 @@
   \end{minipage}
 \end{pframe}
 
-\subsection{Linux.}
+\subsection{Linux}
 \begin{pframe}
   \begin{minipage}[t]{0.47\textwidth}
     \begin{figure}[]
@@ -255,7 +255,7 @@
   \end{minipage}
 \end{pframe}
 
-\subsection{Marketing.}
+\subsection{Marketing}
 \begin{pframe}
   \begin{figure}[]
     \begin{center}

installing/installing.tex

@@ -31,7 +31,7 @@
 
 % First page of the presentation.
 \section{Simple installation}
-\subsection{Updating.}
+\subsection{Updating}
 \begin{pframe}
   First of all, run the update command to make sure we download the latest
   versions.
@@ -52,7 +52,7 @@
   \end{lstlisting}
 \end{pframe}
 
-\subsection{Small packages.}
+\subsection{Small packages}
 \begin{pframe}
   In many cases, the package name is equal to the command we want to use:
   \bigskip
@@ -66,7 +66,7 @@
   \end{lstlisting}
 \end{pframe}
 
-\subsection{Searching for packages.}
+\subsection{Searching for packages}
 \begin{pframe}
   If we want to search for all packages that have anything to do with
   ``alignment'':
@@ -87,7 +87,7 @@
   \end{lstlisting}
 \end{pframe}
 
-\subsection{Searching package content.}
+\subsection{Searching package content}
 \begin{pframe}
   Suppose we know a command, but we do not know which package to install:
   \bigskip
@@ -139,7 +139,7 @@
   \end{itemize}
 \end{pframe}
 
-\subsection{Archives.}
+\subsection{Archives}
 \begin{pframe}
   Commonly used archiving programs:
   \begin{itemize}
@@ -214,7 +214,7 @@
   \end{table}
 \end{pframe}
 
-\subsection{Example extraction.}
+\subsection{Example extraction}
 \begin{pframe}
   Extraction of a \bt{tar.gz} file (\bt{tar} compressed with \bt{gzip}):
   \bigskip