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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\\Part III}
\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 Display the contents of files.
\item Read only parts of a file.
\item Look at the statistical information of a file.
\end{itemize}
\end{frame}
\begin{frame}
\frametitle{Pre-requisite}
\label{sec-3}
Spoken tutorial on -
\begin{itemize}
\item Using Linux tools -- Part I
\item Using Linux tools -- Part II
\end{itemize}
\end{frame}
\begin{frame}[fragile]
\frametitle{\texttt{less}}
\begin{itemize}
\item q: Quit
\item Arrows/Page Up/Page Down/Home/End: Navigation
\item ng: Jump to line number n
\item /pattern: Search. Regular expressions can be used
\item h: Help
\end{itemize}
\end{frame}
\begin{frame}
\frametitle{Exercise 1}
\begin{itemize}
\item Print only the first, fifth and the seventh fields of the file ``/etc/passwd''.
\end{itemize}
\end{frame}
\begin{frame}[fragile]
\frametitle{\texttt{paste}}
\begin{center}
\begin{tabular}{l|l}
\verb~students.txt~ & \verb~marks.txt~ \\
Hussain & 89 92 85 \\
Dilbert & 98 47 67 \\
Anne & 67 82 76 \\
Raul & 78 97 60 \\
Sven & 67 68 69 \\
\end{tabular}
\end{center}
\end{frame}
\begin{frame}
\frametitle{Summary}
\label{sec-8}
In this tutorial, we have learnt to,
\begin{itemize}
\item Display the contents of files using the ``cat'' command.
\item View the contents of a file one screen at a time using the
``less'' command.
\item Display specific contents of file using the ``head'' and
``tail'' commands.
\item Use the ``cut'', ``paste'' and ``wc'' commands.
\end{itemize}
\end{frame}
\begin{frame}[fragile]
\frametitle{Evaluation}
\label{sec-9}
\begin{enumerate}
\item How to view lines from 1 to 15 in wonderland.txt ?
\vspace{15pt}
\item In ``cut'' command, how to specify space as the delimiter ?
\end{enumerate}
\end{frame}
\begin{frame}
\frametitle{Solutions}
\label{sec-10}
\begin{enumerate}
\item \$ head -15 wonderland.txt
\vspace{15pt}
\item \$ cut -d " " <filename>
\end{enumerate}
\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}
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