\documentclass{article}
\begin{document}
\section{Testing Verbatim}
Normal {\bf Bold} stuff.

Verbatim 1:
\begin{verbatim}
AbNormal {\bf NonBold} stuff.
\end{verbatim}

Verbatim 2:
\begin{verbatim}
inside verbatim
\end {verbatim}
still inside verbatim
\end{verbatim}

Verbatim 3:
\begin{verbatim} keep this
AbNormal {\bf NonBold} stuff.
keep this too    \end{verbatim} yyy
More Normal {\bf Bold} stuff.

% NOT allowed
%\section{Inline \verb|\verb| verbatim.}

Some inline \verb|\verb| verbatim.

% But this IS allowed!
\hbox{More inline \verb|\verb| verbatim.}

% and this:
x\hbox to 2in  {\bf x\verb|\verb|y.}y

\end{document}