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diff --git a/ult/ult_3/ult3.tex b/ult/ult_3/ult3.tex index 2ece836..82fb652 100644 --- a/ult/ult_3/ult3.tex +++ b/ult/ult_3/ult3.tex @@ -1,130 +1,176 @@ -%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% -% Using Linux Tools -% -% Author: FOSSEE -% Copyright (c) 2009, FOSSEE, IIT Bombay -%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% - -\documentclass[12pt,compress]{beamer} - +\documentclass[17pt,compress]{beamer} +\usepackage{beamerthemesplit} \mode<presentation> { \usetheme{Warsaw} \useoutertheme{infolines} \setbeamercovered{transparent} + \setbeamertemplate{navigation symbols}{} } +% Taken from Fernando's slides. +\usepackage{ae,aecompl} +\usepackage[scaled=.95]{helvet} \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} +% change the alerted colour to LimeGreen +\definecolor{LimeGreen}{RGB}{50,205,50} +\setbeamercolor{structure}{fg=LimeGreen} +\author[FOSSEE]{} +\institute[IIT Bombay]{} +\date[]{} +% \setbeamercovered{transparent} -\definecolor{darkgreen}{rgb}{0,0.5,0} +% theme split +\usepackage{verbatim} +\newenvironment{colorverbatim}[1][]% +{% +\color{blue} +\verbatim +}% +{% +\endverbatim +}% +\usepackage{mathpazo,courier,euler} \usepackage{listings} \lstset{language=sh, basicstyle=\ttfamily\bfseries, - commentstyle=\color{red}\itshape, - stringstyle=\color{darkgreen}, showstringspaces=false, - keywordstyle=\color{blue}\bfseries} + keywordstyle=\color{black}\bfseries} -%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% -% DOCUMENT STARTS -\begin{document} +% logo +\logo{\includegraphics[height=1.30 cm]{3t-logo.pdf}} +\logo{\includegraphics[height=1.30 cm]{fossee-logo.pdf} -\begin{frame} +\hspace{7.5cm} +\includegraphics[scale=0.99]{fossee-logo.pdf}\\ +\hspace{281pt} +\includegraphics[scale=0.80]{3t-logo.pdf}} -\begin{center} -\vspace{12pt} +\begin{document} -\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} +\sffamily \bfseries +\title +[File Permissions and Ownership] +{File Permissions and Ownership} +\author +[FOSSEE] +{\small Talk to a Teacher\\{\color{blue}\url{http://spoken-tutorial.org}}\\\vspace{0.25cm}National Mission on Education + through ICT\\{\color{blue}\url{ http://sakshat.ac.in}} \\ [0.77cm] + Contributed by FOSSEE Team \\IIT Bombay \\[0.3cm] +} + +% slide 1 +\begin{frame} + \titlepage \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. +\item Change file permissions +\item Change ownership of files \end{itemize} \end{frame} \begin{frame} -\frametitle{Pre-requisite} +\frametitle{Pre-requisites} \label{sec-3} -Spoken tutorial on - +Spoken tutorial on, \begin{itemize} -\item Using Linux tools -- Part I -\item Using Linux tools -- Part II +\item Getting started with Linux +\item Basic File Handling \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} + \frametitle{Symbolic modes} + \begin{small} + \begin{center} + \begin{tabular}{lll} + Ref. & Class & Description \\ + \hline + u & user & the owner of the file \\ + g & group & users who are members of the \\ + & & file's group \\ + o & others & users who are not the owner of the \\ + & & file or members of the group\\ + a & all & all three of the above; is the same \\ + & & as \emph{ugo} + \end{tabular} + \end{center} + \end{small} +\end{frame} + +\begin{frame}[fragile] + \frametitle{Symbolic modes...} + \begin{small} + \begin{center} + \begin{tabular}{ll} + Operator & Description \\ + \hline + + & adds the specified modes to the \\ + & specified classes \\ + - & removes the specified modes from the \\ + & specified classes \\ + = & modes specified are to be made the \\ + & exact modes for the specified classes + \end{tabular} + \end{center} + \end{small} \end{frame} \begin{frame} - \frametitle{Exercise 1} + \frametitle{Symbolic modes...} + \begin{small} + \begin{center} + \begin{tabular}{lll} + Mode & Name & Description \\ + \hline + r & read & read a file or list a directory's \\ + & & contents \\ + w & write & write to a file or directory \\\vspace{2pt} + x & execute & execute a file or recurse a \\ + & & directory tree + \end{tabular} + \end{center} + \end{small} +\end{frame} + + +\begin{frame} + \frametitle{Exercise} + \begin{itemize} + \item Change the permissions of a directory including, \begin{itemize} - \item Print only the first, fifth and the seventh fields of the file ``/etc/passwd''. + \item All it's sub-directories + \item All files within the directory + \end{itemize} \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} +\begin{frame} + \frametitle{Solution} + \begin{itemize} + \item \$ chmod go-r -R <directory name>/ + \end{itemize} \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. +\item Chane the permissions of files using the ``chmod'' command +\item Use the ``chown'' command to change the ownership of files \end{itemize} \end{frame} @@ -134,9 +180,14 @@ Spoken tutorial on - \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 ? +\item For a given file, change mode to r, w, x for all (user, group, others) +\vspace{10pt} +\item What changes, on specifying only an owner in the "chown" command? +\begin{itemize} +\item Only the owner of the file +\item The group ownership of the file +\item Neither the owner nor the group +\end{itemize} \end{enumerate} \end{frame} \begin{frame} @@ -145,26 +196,71 @@ Spoken tutorial on - \begin{enumerate} -\item \$ head -15 wonderland.txt +\item \$ chmod ugo+rwx <filename> \vspace{15pt} -\item \$ cut -d " " <filename> +\item Only the owner of the file \end{enumerate} \end{frame} + +\begin{frame} +\frametitle{SDES \& FOSSEE} +\begin{center} +\begin{itemize} +\item \small{SDES}\\ +\small{\color{LimeGreen}Software Development techniques for Engineers and Scientists} \\ +\scriptsize An initiative by FOSSEE. \\ +\vspace{3pt} +\scriptsize For more information on SDES, please visit {\color{blue}\url{http://fossee.in/sdes}}\\ +\vspace{10pt} +\item \small{FOSSEE}\\ +\small {\color{LimeGreen}Free and Open-source Software for \\Science and Engineering Education} \\ +\scriptsize Based at IIT Bombay, Funded by MHRD.\\ +\vspace{3pt} +\scriptsize Part of National Mission on Education through ICT \\(NME-ICT) \\ +\end{itemize} +\end{center} +\end{frame} + +\begin{frame} +\frametitle{About the Spoken Tutorial Project} +\begin{itemize} +\item Watch the video available at {\color{blue}\url{http://spoken-tutorial.org /What\_is\_a\_Spoken\_Tutorial}} +\item It summarises the Spoken Tutorial project +\item If you do not have good bandwidth, you can download and watch it +\end{itemize} +\end{frame} + +\begin{frame} +\frametitle{Spoken Tutorial Workshops}The Spoken Tutorial Project Team +\begin{itemize} +\item Conducts workshops using spoken tutorials +\item Gives certificates to those who pass an online test +\item For more details, please write to \\ \hspace {0.5cm}{\color{blue}contact@spoken-tutorial.org} +\end{itemize} +\end{frame} + +\begin{frame} +\frametitle{Acknowledgements} +\begin{itemize} +\item Spoken Tutorial Project is a part of the Talk to a Teacher project +\item It is supported by the National Mission on Education through ICT, MHRD, Government of India +\item More information on this Mission is available at: \\{\color{blue}\url{http://spoken-tutorial.org/NMEICT-Intro}} +\end{itemize} +\end{frame} + \begin{frame} \begin{block}{} \begin{center} - \textcolor{blue}{\Large THANK YOU!} + {\Large THANK YOU!} \end{center} \end{block} \begin{block}{} \begin{center} For more Information, visit our website\\ - \url{http://fossee.in/} + {\color{blue}\url{http://fossee.in/}} \end{center} \end{block} \end{frame} \end{document} - - |