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diff --git a/ult/ult_8/slides.tex~ b/ult/ult_8/slides.tex~
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-%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
-% Using Linux Tools
-%
-% Author: FOSSEE 
-% Copyright (c) 2009, FOSSEE, IIT Bombay
-%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
-
-\documentclass[12pt,compress]{beamer}
-
-\mode<presentation>
-{
-  \usetheme{Warsaw}
-  \useoutertheme{infolines}
-  \setbeamercovered{transparent}
-}
-
-\usepackage[english]{babel}
-\usepackage[latin1]{inputenc}
-%\usepackage{times}
-\usepackage[T1]{fontenc}
-
-% Taken from Fernando's slides.
-\usepackage{ae,aecompl}
-\usepackage{mathpazo,courier,euler}
-\usepackage[scaled=.95]{helvet}
-
-\definecolor{darkgreen}{rgb}{0,0.5,0}
-
-\usepackage{listings}
-\lstset{language=sh,
-    basicstyle=\ttfamily\bfseries,
-    commentstyle=\color{red}\itshape,
-  stringstyle=\color{darkgreen},
-  showstringspaces=false,
-  keywordstyle=\color{blue}\bfseries}
-
-%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
-% DOCUMENT STARTS
-\begin{document}
-
-\begin{frame}
-
-\begin{center}
-\vspace{12pt}
-\textcolor{blue}{\huge Using Linux Tools}
-\end{center}
-\vspace{18pt}
-\begin{center}
-\vspace{10pt}
-\includegraphics[scale=0.95]{../images/fossee-logo.png}\\
-\vspace{5pt}
-\scriptsize Developed by FOSSEE Team, IIT-Bombay. \\ 
-\scriptsize Funded by National Mission on Education through ICT\\
-\scriptsize  MHRD,Govt. of India\\
-\includegraphics[scale=0.30]{../images/iitb-logo.png}\\
-\end{center}
-\end{frame}
-\begin{frame}
-\frametitle{Objectives}
-\label{sec-2}
-
-At the end of this tutorial, you will be able to,
-\begin{itemize}
-\item Learn certain handy tools that are useful in day-to-day work.
-\item Customize a shell.
-\end{itemize}
-\end{frame}
-
-\section{Miscellaneous Tools}
-
-\begin{frame}[fragile]
-  \frametitle{\texttt{find}}
-  \begin{itemize}
-  \item Find files in a directory hierarchy
-  \item Offers a very complex feature set
-  \item Look at the \texttt{man} page!
-  \end{itemize}
-\end{frame}
-
-\begin{frame}[fragile]
-  \frametitle{\texttt{cmp}}
-  \begin{itemize}
-  \item Compare two files
-  \end{itemize}
-  \begin{lstlisting}
-    $ find . -name quick.c
-    ./Desktop/programs/quick.c
-    ./c-folder/quick.c
-    $ cmp Desktop/programs/quick.c \
-    c-folder/quick.c
-  \end{lstlisting} % $
-  \begin{itemize}
-  \item No output when the files are exactly the same
-  \item Else, gives location where the first difference occurs 
-  \end{itemize}
-\end{frame}
-
-\begin{frame}[fragile]
-  \frametitle{\texttt{diff}}
-  \begin{itemize}
-  \item We know the files are different, but want exact differences
-  \end{itemize}
-  \begin{lstlisting}
-    $ diff Desktop/programs/quick.c \
-    c-folder/quick.c
-  \end{lstlisting} % $
-  \begin{itemize}
-  \item line by line difference between files
-  \item \texttt{>} indicates content only in second file
-  \item \texttt{<} indicates content only in first file
-  \end{itemize}
-\end{frame}
-
-\begin{frame}[fragile]
-\frametitle{\texttt{tar}}
-\begin{itemize}
-\item \emph{tarball} -- essentially a collection of files
-\item May or may not be compressed
-\item Eases the job of storing, backing-up \& transporting files
-\end{itemize}
-\end{frame}
-
-\begin{frame}[fragile]
-\frametitle{Extracting an archive}
-
-\begin{lstlisting}
-$ mkdir extract 
-$ cp allfiles.tar extract/ 
-$ cd extract 
-$ tar -xvf allfiles.tar
-\end{lstlisting} %$
-
-\begin{itemize}
-\item \texttt{-x} --- Extract files within the archive
-\item \texttt{-f} --- Specify the archive file
-\item \texttt{-v} --- Be verbose
-\end{itemize}
-\end{frame}
-
-\begin{frame}[fragile]
-  \frametitle{Compressed archives}
-  \begin{itemize}
-  \item \texttt{tar} can create and extract compressed archives
-  \item Supports compressions like gzip, bzip2, lzma, etc.
-  \item Additional option to handle compressed archives
-    \begin{center}
-      \begin{tabular}{|l|l|}\hline
-        Compression      &  Option   \\\hline
-        gzip   &  \texttt{-z}        \\\hline
-        bzip2  &  \texttt{-j}        \\\hline
-        lzma   &  \texttt{-{}-lzma}  \\\hline
-      \end{tabular}
-    \end{center}
-  \end{itemize}
-  \begin{lstlisting}
-    $ tar -cvzf newarchive.tar.gz *.txt
-  \end{lstlisting} % $
-\end{frame}
-
-
-\begin{frame}
-\frametitle{Customizing your shell}
-\begin{itemize}
-\item Bash reads \texttt{/etc/profile},
-  \texttt{\textasciitilde{}/.bash\_profile},
-  \texttt{\textasciitilde{}/.bash\_login}, and
-  \texttt{\textasciitilde{}/.profile} in that order, when starting
-  up as a login shell. 
-\item \texttt{\textasciitilde{}/.bashrc} is read, when not a login
-  shell 
-\item Put any commands that you want to run when bash starts, in this
-  file. 
-\end{itemize}
-\end{frame}
-
-
-\begin{frame}
-\frametitle{Summary}
-\label{sec-8}
-
-  In this tutorial, we have learnt to,
-
-
-\begin{itemize}
-\item To make use of the ``find'' command find files in a directory hierarchy.
-\item To find the differences between files with the same name, using the
-    ``cmp'' and ``diff'' commands.
-\item To extract and create compressed archive's using the ``tar'' command.
-\item Customize one's shell according to one's choice. 
-\end{itemize}
-\end{frame}
-\begin{frame}[fragile]
-\frametitle{Evaluation}
-\label{sec-9}
-
-
-\begin{enumerate}
-\item Look at the man page of ``find'' and state the options which
-    deal with symbolic links.
-\vspace{8pt}
-\item How do you append tar files to an archive ?
-\end{enumerate}
-\end{frame}
-\begin{frame}
-\frametitle{Solutions}
-
-\begin{enumerate}
-\item  -H,  -L  and  -P options with the ``find'' command   
-\vspace{15pt}
-\end{enumerate}
-
-\begin{verbatim}
- $ tar -Af  tar file 	
-\end{verbatim} 
-
-\end{frame}
-\begin{frame}
-
-  \begin{block}{}
-  \begin{center}
-  \textcolor{blue}{\Large THANK YOU!} 
-  \end{center}
-  \end{block}
-\begin{block}{}
-  \begin{center}
-    For more Information, visit our website\\
-    \url{http://fossee.in/}
-  \end{center}  
-  \end{block}
-\end{frame}
-
-\end{document}
-
-