%%
%% The LaTeX Companion, 3ed
%%
%% Example 4-2-11 on page I-303 in "upquote --- Computer program style quoting".
%%
%% Copyright (C) 2022 Frank Mittelbach
%%
%% It may be distributed and/or modified under the conditions
%% of the LaTeX Project Public License, either version 1.3c
%% of this license or (at your option) any later version.
%%
%% See https://www.latex-project.org/lppl.txt for details.
%%

\documentclass{tlc3exa}
\pagestyle{empty}
\setcounter{page}{6}
\setlength\textwidth{219.0pt}

  \setlength\parindent{0pt}

%StartShownPreambleCommands
\usepackage{fvextra}
%StopShownPreambleCommands

\begin{document}
\begin{Verbatim}
TEST=`ls -l |awk '{print $3}'` # default
\end{Verbatim}
\begin{Verbatim}[curlyquotes]
TEST=`ls -l |awk '{print $3}'`
\end{Verbatim}
\end{document}