% This is a comment line

\documentclass[a4paper]{article}

% page break for every «section»
\let\oldsection\section
\renewcommand\section{\clearpage\oldsection}

\begin{document}

\title{Hello World}

\author{Your Name\\
  Department of Computer Science\\
  Courant Institute, NYU}
\maketitle

\begin{abstract}
  ...put your abstract here...
\end{abstract}

\section{First Section}
...text...
\subsection{First subsection}
...text...
\subsection{Second subsection}
...text...
\section{Second Section}
...text...

...and so on...
\end{document}