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diff --git a/linux-basics/what-is-linux/pres_what-is-linux_de.tex b/linux-basics/what-is-linux/pres_what-is-linux_de.tex
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+\documentclass{beamer}
+\usetheme{linutronix}
+\usepackage{german}
+\usepackage[utf8]{inputenc}
+\usepackage{pgf}
+\usepackage{graphicx}
+
+\title{Title of Presentation}
+%% \author{Hans-Jürgen Koch}
+\institute{Linutronix GmbH}
+
+\begin{document}
+
+\maketitle
+
+% ----- Slide 1 ------------------
+\begin{frame}
+%% \includegraphics[width=11cm]{myfirst.jpg}
+\end{frame}
+
+% ----- Slide 2 ------------------
+\begin{frame}
+\frametitle{A Frametitle}
+\pause
+\begin{itemize}
+\item Item 1
+\pause
+\item Item 2
+\pause
+\item Item 3
+\pause
+\item Item 4
+\pause
+\begin{block}{Important stuff}
+\end{block}
+\end{itemize}
+\end{frame}
+
+% ----- Slide with code --------------------------
+\begin{frame}[fragile]
+\frametitle{UIO interrupt handler}
+\begin{verbatim}
+static irqreturn_t my_handler(int irq,
+                              struct uio_info *dev_info)
+{
+    if (IRQ is not caused by my hardware)
+        return IRQ_NONE;
+
+    /* Disable interrupt */
+    (Perform some register access to silence the IRQ line)
+
+    return IRQ_HANDLED;
+}
+\end{verbatim}
+\end{frame}
+
+\end{document}