\documentclass[a4paper,12pt]{article}

\usepackage{array}
\usepackage[pdftex]{graphicx}
\usepackage{cite}
\usepackage{multirow}

\setlength{\hsize}{16cm}
\setlength{\textwidth}{\hsize}
\setlength{\vsize}{22cm}
\setlength{\textheight}{\vsize}
\setlength{\parskip}{5mm}
\setlength{\parindent}{0cm}
\setlength{\hoffset}{-2cm}
\setlength{\voffset}{-1cm}

\title{\rule{0.6\linewidth}{1pt}
\ \\
Computer Systems 2 \\
Journal\\
\\
\rule[3mm]{0.6\linewidth}{1pt}
}

\author{Student
%your name here 
\vspace*{15ex}
}

\begin{document}

\maketitle
%\thispagestyle{empty}

\begin{verbatim}
<snip>
\end{verbatim}



\newpage
\thispagestyle{plain}
\section{Tutorial One}
%you might want to add some thoughts here.
%Adding the date of your tutorial might be helpful also.

\section{Practical One}
%Add the date of your prac here. 


\subsection{Understanding Python}
%Section 7.1 on Prac 1


\subsection{Knowing FTP and SVN}
%Section 7.2 on Prac 1

\subsection{Understanding the Mutual Update Problem}
%Section 7.3  on Prac 1

%%%%%%
<snip> (just multiple \section stuff) 

%%%%%%%
\section{Final Thoughts}

%%%%%%%

\end{document}

! LaTeX Error: There's no line here to end.

\title{\rule{0.6\linewidth}{1pt}\\
\vspace*{2ex}
Computer Systems 2 \\
Journal\\
\vspace*{2ex}
\rule[3mm]{0.6\linewidth}{1pt}
}