One example:
-\begin{lstlisting}[language=bash]
+\begin{lstlisting}[language=bash,numbers=none]
export CIN_BROWSER=chrome #would override default firefox for Shell Cmds.
\end{lstlisting}
Another example:
-\begin{lstlisting}[language=bash]
+\begin{lstlisting}[language=bash,numbers=none]
export CIN_CONFIG=/tmp/.bcast5 #use a temporary setup for testing purposes.
\end{lstlisting}