\DocumentMetadata{lang=de,tagging=on}
\documentclass[
  standalone,
  profile=ltx-talk,
  doctype=slides,
  lang=de,
  class-options={aspectratio=169}
]{osglecture}

\title{Betriebssysteme}
\author{Nora Example}

\begin{document}
\input{tutorial-output-source}
\end{document}