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+<meta name="generator" content="HTML Tidy, see www.w3.org" />
+<title>Basic Network Commands</title>
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+<link rel="HOME" title="Slackware Linux Essentials" href="index.html" />
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+alink="#0000FF">
+<div class="NAVHEADER">
+<table summary="Header navigation table" width="100%" border="0" cellpadding="0"
+cellspacing="0">
+<tr>
+<th colspan="3" align="center">Slackware Linux Essentials</th>
+</tr>
+
+<tr>
+<td width="10%" align="left" valign="bottom"><a href="essential-sysadmin-shutdown.html"
+accesskey="P">Prev</a></td>
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+</div>
+
+<div class="CHAPTER">
+<h1><a id="BASIC-NETWORK-COMMANDS" name="BASIC-NETWORK-COMMANDS"></a>Chapter 13 Basic
+Network Commands</h1>
+
+<div class="TOC">
+<dl>
+<dt><b>Table of Contents</b></dt>
+
+<dt>13.1 <a href="basic-network-commands.html#BASIC-NETWORK-COMMANDS-PING"><tt
+class="COMMAND">ping</tt></a></dt>
+
+<dt>13.2 <a href="basic-network-commands-traceroute.html"><tt
+class="COMMAND">traceroute</tt></a></dt>
+
+<dt>13.3 <a href="basic-network-commands-dns.html">DNS Tools</a></dt>
+
+<dt>13.4 <a href="basic-network-commands-finger.html"><tt
+class="COMMAND">finger</tt></a></dt>
+
+<dt>13.5 <a href="basic-network-commands-telnet.html"><tt
+class="COMMAND">telnet</tt></a></dt>
+
+<dt>13.6 <a href="basic-network-commands-ssh.html">The Secure shell</a></dt>
+
+<dt>13.7 <a href="basic-network-commands-email.html">email</a></dt>
+
+<dt>13.8 <a href="basic-network-commands-web.html">Browsers</a></dt>
+
+<dt>13.9 <a href="basic-network-commands-ftp.html">FTP Clients</a></dt>
+
+<dt>13.10 <a href="basic-network-commands-talk.html">Talking to Other People</a></dt>
+</dl>
+</div>
+
+<p>A network consists of several computers connected together. The network can be as
+simple as a few computers connected in your home or office, or as complicated as a large
+university network or even the entire Internet. When your computer is part of a network,
+you have access to those systems either directly or through services like mail and the
+web.</p>
+
+<p>There are a variety of networking programs that you can use. Some are handy for
+performing diagnostics to see if everything is working properly. Others (like mail
+readers and web browsers) are useful for getting your work done and staying in contact
+with other people.</p>
+
+<div class="SECT1">
+<h1 class="SECT1"><a id="BASIC-NETWORK-COMMANDS-PING"
+name="BASIC-NETWORK-COMMANDS-PING">13.1 <tt class="COMMAND">ping</tt></a></h1>
+
+<p><tt class="COMMAND">ping</tt>(8) sends an ICMP <var class="LITERAL">ECHO_REQUEST</var>
+packet to the specified host. If the host responds, you get an ICMP packet back. Sound
+strange? Well, you can &#8220;ping&#8221; an IP address to see if a machine is alive. If
+there is no response, you know something is wrong. Here is an example conversation
+between two Linux users:</p>
+
+<a id="AEN4428" name="AEN4428"></a>
+<blockquote class="BLOCKQUOTE">
+<p class="LITERALLAYOUT"><span class="emphasis"><i class="EMPHASIS">User
+A</i></span>:&nbsp;Loki's&nbsp;down&nbsp;again.<br />
+<span class="emphasis"><i class="EMPHASIS">User
+B</i></span>:&nbsp;Are&nbsp;you&nbsp;sure?<br />
+<span class="emphasis"><i class="EMPHASIS">User
+A</i></span>:&nbsp;Yeah,&nbsp;I&nbsp;tried&nbsp;pinging&nbsp;it,&nbsp;but&nbsp;there's&nbsp;no&nbsp;response.</p>
+</blockquote>
+
+<p>It's instances like these that make <tt class="COMMAND">ping</tt> a very useful
+day-to-day command. It provides a very quick way to see if a machine is up and connected
+to the network. The basic syntax is:</p>
+
+<table border="0" bgcolor="#E0E0E0" width="100%">
+<tr>
+<td>
+<pre class="SCREEN">
+<samp class="PROMPT">%</samp> <kbd class="USERINPUT">ping www.slackware.com</kbd>
+</pre>
+</td>
+</tr>
+</table>
+
+<p>There are, of course, several options that can be specified. Check the <tt
+class="COMMAND">ping</tt>(1) man page for more information.</p>
+</div>
+</div>
+
+<div class="NAVFOOTER">
+<hr align="LEFT" width="100%" />
+<table summary="Footer navigation table" width="100%" border="0" cellpadding="0"
+cellspacing="0">
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+accesskey="P">Prev</a></td>
+<td width="34%" align="center" valign="top"><a href="index.html"
+accesskey="H">Home</a></td>
+<td width="33%" align="right" valign="top"><a
+href="basic-network-commands-traceroute.html" accesskey="N">Next</a></td>
+</tr>
+
+<tr>
+<td width="33%" align="left" valign="top">Shutting Down Properly</td>
+<td width="34%" align="center" valign="top">&nbsp;</td>
+<td width="33%" align="right" valign="top"><tt class="COMMAND">traceroute</tt></td>
+</tr>
+</table>
+</div>
+</body>
+</html>
+