\frametitle{Modifying PATH}
\begin{exampleblock}{Adding to PATH}\label{sec:org83effdd}
\begin{verbatim}
export PATH="$HOME/my_tools:$PATH"
\end{verbatim}

This adds \texttt{my\_tools} to the beginning of your PATH, giving it priority.
\end{exampleblock}
\begin{alertblock}<2->{Rhetorical Question}
Why might it be dangerous to add \texttt{.} (current directory) to the \alert{start} of your PATH?
\end{alertblock}
