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<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8">
<meta name="generator" content="pandoc">
<title>Software Carpentry: The Unix Shell</title>
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<body class="lesson">
<div class="container card">
<div class="banner">
<a href="http://software-carpentry.org" title="Software Carpentry">
<img alt="Software Carpentry banner" src="img/software-carpentry-banner.png" />
</a>
</div>
<article>
<div class="row">
<div class="col-md-10 col-md-offset-1">
<h1 class="title">The Unix Shell</h1>
<p>The Unix shell has been around longer than most of its users have been alive. It has survived so long because it’s a power tool that allows people to do complex things with just a few keystrokes. More importantly, it helps them combine existing programs in new ways and automate repetitive tasks so they aren’t typing the same things over and over again. Use of the shell is fundamental to using a wide range of other powerful tools and computing resources (including “high-performance computing” supercomputers). These lessons will start you on a path towards using these resources effectively.</p>
<section class="prereq panel panel-warning">
<div class="panel-heading">
<h2 id="prerequisites"><span class="glyphicon glyphicon-education"></span>Prerequisites</h2>
</div>
<div class="panel-body">
<p>This lesson guides you through the basics of file systems and the shell. If you have stored files on a computer at all and recognize the word “file” and either “directory” or “folder” (two common words for the same thing), you’re ready for this lesson.</p>
<p>If you’re already comfortable manipulating files and directories, searching for files with <code>grep</code> and <code>find</code>, and writing simple loops and scripts, you probably won’t learn much from this lesson.</p>
</div>
</section>
<section class="getready panel panel-warning">
<div class="panel-heading">
<h2 id="getting-ready"><span class="glyphicon glyphicon-check"></span>Getting ready</h2>
</div>
<div class="panel-body">
<p>You need to download some files to follow this lesson:</p>
<ol style="list-style-type: decimal">
<li>Download <a href="./shell-novice-data.zip">shell-novice-data.zip</a> and move the file to your Desktop.</li>
<li>Unzip/extract the file (ask your instructor if you need help with this step). You should end up with a new folder called data-shell on your Desktop.</li>
<li>Open a terminal and type:</li>
</ol>
<pre class="input"><code>$ cd</code></pre>
<p>In the lesson, you will find out how to access the data in this folder.</p>
</div>
</section>
<h2 id="topics">Topics</h2>
<ol style="list-style-type: decimal">
<li><a href="00-intro.html">Introducing the Shell</a></li>
<li><a href="01-filedir.html">Navigating Files and Directories</a></li>
<li><a href="02-create.html">Working With Files and Directories</a></li>
<li><a href="03-pipefilter.html">Pipes and Filters</a></li>
<li><a href="04-loop.html">Loops</a></li>
<li><a href="05-script.html">Shell Scripts</a></li>
<li><a href="06-find.html">Finding Things</a></li>
</ol>
<h2 id="other-resources">Other Resources</h2>
<ul>
<li><a href="reference.html">Reference</a></li>
<li><a href="discussion.html">Discussion</a></li>
<li><a href="instructors.html">Instructor’s Guide</a></li>
</ul>
</div>
</div>
</article>
<div class="footer">
<a class="label swc-blue-bg" href="http://software-carpentry.org">Software Carpentry</a>
<a class="label swc-blue-bg" href="https://github.com/swcarpentry/shell-novice">Source</a>
<a class="label swc-blue-bg" href="mailto:[email protected]">Contact</a>
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