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Mon Apr 25 13:37:00 UTC 2011 Slackware 13.37 x86_64 stable is released! Thanks to everyone who pitched in on this release: the Slackware team, the folks producing upstream code, and linuxquestions.org for providing a great forum for collaboration and testing. The ISOs are off to be replicated, a 6 CD-ROM 32-bit set and a dual-sided 32-bit/64-bit x86/x86_64 DVD. Please consider supporting the Slackware project by picking up a copy from store.slackware.com. We're taking pre-orders now, and offer a discount if you sign up for a subscription. As always, thanks to the Slackware community for testing, suggestions, and feedback. :-) Have fun!
184 lines
6.1 KiB
HTML
184 lines
6.1 KiB
HTML
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN"
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"http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
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<html xmlns="http://www.w3.org/1999/xhtml">
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<head>
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<meta name="generator" content="HTML Tidy, see www.w3.org" />
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<title>Talking to Other People</title>
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<meta name="GENERATOR" content="Modular DocBook HTML Stylesheet Version 1.7" />
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<link rel="HOME" title="Slackware Linux Essentials" href="index.html" />
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<link rel="UP" title="Basic Network Commands" href="basic-network-commands.html" />
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<link rel="PREVIOUS" title="FTP Clients" href="basic-network-commands-ftp.html" />
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<link rel="NEXT" title="Security" href="security.html" />
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<link rel="STYLESHEET" type="text/css" href="docbook.css" />
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<meta http-equiv="Content-Type" content="text/html; charset=iso-8859-1" />
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</head>
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<body class="SECT1" bgcolor="#FFFFFF" text="#000000" link="#0000FF" vlink="#840084"
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alink="#0000FF">
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<div class="NAVHEADER">
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<table summary="Header navigation table" width="100%" border="0" cellpadding="0"
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cellspacing="0">
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<tr>
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<th colspan="3" align="center">Slackware Linux Essentials</th>
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</tr>
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<tr>
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<td width="10%" align="left" valign="bottom"><a href="basic-network-commands-ftp.html"
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accesskey="P">Prev</a></td>
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<td width="80%" align="center" valign="bottom">Chapter 13 Basic Network Commands</td>
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<td width="10%" align="right" valign="bottom"><a href="security.html"
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accesskey="N">Next</a></td>
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</tr>
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</table>
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<hr align="LEFT" width="100%" />
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</div>
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<div class="SECT1">
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<h1 class="SECT1"><a id="BASIC-NETWORK-COMMANDS-TALK"
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name="BASIC-NETWORK-COMMANDS-TALK">13.10 Talking to Other People</a></h1>
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<div class="SECT2">
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<h2 class="SECT2"><a id="AEN4989" name="AEN4989">13.10.1 <tt
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class="COMMAND">wall</tt></a></h2>
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<p><tt class="COMMAND">wall</tt>(1) is a quick way to write a message to the users on a
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system. The basic syntax is:</p>
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<table border="0" bgcolor="#E0E0E0" width="100%">
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<tr>
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<td>
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<pre class="SCREEN">
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<samp class="PROMPT">%</samp> <kbd class="USERINPUT">wall [file]</kbd>
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</pre>
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</td>
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</tr>
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</table>
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<p>This will result in the contents of [file] being displayed on the terminals of all
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currently logged in users. If you don't specify a file, wall will read from standard
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input, so you can just type your message, and end with <b class="KEYCAP">Ctrl</b>+<b
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class="KEYCAP">d</b>.</p>
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<p><tt class="COMMAND">wall</tt> doesn't have many features, and apart from letting your
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users know that you're about to do some serious maintenance to the system, or even reboot
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it, so they have time to save their work and log off :)</p>
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</div>
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<div class="SECT2">
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<h2 class="SECT2"><a id="AEN5006" name="AEN5006">13.10.2 <tt
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class="COMMAND">talk</tt></a></h2>
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<p><tt class="COMMAND">talk</tt>(1) allows two users to chat. It splits the screen in
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half, horizontally. To request a chat with another user, use this command:</p>
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<table border="0" bgcolor="#E0E0E0" width="100%">
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<tr>
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<td>
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<pre class="SCREEN">
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<samp class="PROMPT">%</samp> <kbd class="USERINPUT">talk <person> [ttyname]</kbd>
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</pre>
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</td>
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</tr>
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</table>
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<div class="FIGURE"><a id="FIG-BASIC-NETWORK-COMMANDS-TALK-TALK"
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name="FIG-BASIC-NETWORK-COMMANDS-TALK-TALK"></a>
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<p><b>Figure 13-7. Two users in a <tt class="COMMAND">talk</tt> session</b></p>
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<p><img src="basic-network-commands/talk.png" /></p>
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</div>
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<p>If you specify just a username, the chat request is assumed to be local, so only local
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users are queried. The ttyname is required if you want to ring a user on a specific
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terminal (if the user is logged in more than once). The required information for <tt
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class="COMMAND">talk</tt> can be obtained from the <tt class="COMMAND">w</tt>(1)
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command.</p>
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<p><tt class="COMMAND">talk</tt> can also ring users on remote hosts. For the username
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you simply specify an email address. <tt class="COMMAND">talk</tt> will try to contact
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that remote user on that host.</p>
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<p><tt class="COMMAND">talk</tt> is somewhat limited. It only supports two users and is
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half-duplex.</p>
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</div>
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<div class="SECT2">
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<h2 class="SECT2"><a id="AEN5033" name="AEN5033">13.10.3 <tt
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class="COMMAND">ytalk</tt></a></h2>
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<p><tt class="COMMAND">ytalk</tt>(1) is a backwards compatible replacement for <tt
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class="COMMAND">talk</tt>. It comes with Slackware as the <tt class="COMMAND">ytalk</tt>
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command. The syntax is similar, but has a few differences:</p>
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<table border="0" bgcolor="#E0E0E0" width="100%">
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<tr>
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<td>
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<pre class="SCREEN">
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<samp class="PROMPT">%</samp> <kbd
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class="USERINPUT">ytalk <username>[#ttyname]</kbd>
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</pre>
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</td>
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</tr>
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</table>
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<div class="FIGURE"><a id="FIG-BASIC-NETWORK-COMMANDS-TALK-YTALK"
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name="FIG-BASIC-NETWORK-COMMANDS-TALK-YTALK"></a>
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<p><b>Figure 13-8. Two users in a <tt class="COMMAND">ytalk</tt> session</b></p>
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<p><img src="basic-network-commands/ytalk.png" /></p>
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</div>
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<p>The username and terminal are specified the same as under talk, except you must put
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them together with the hash mark (#).</p>
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<p>ytalk offers several advantages:</p>
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<ul>
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<li>
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<p>It supports more than two users.</p>
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</li>
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<li>
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<p>A menu of options that can be brought up anytime with <kbd
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class="USERINPUT">Esc</kbd>.</p>
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</li>
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<li>
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<p>You can shell out while still in the talk session.</p>
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</li>
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<li>
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<p>Plus more...</p>
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</li>
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</ul>
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<p>If you're a server administrator, you'll want to make sure that the <tt
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class="COMMAND">ntalk</tt> port is enabled in <tt class="FILENAME">/etc/inetd.conf</tt>.
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<tt class="COMMAND">ytalk</tt> needs that to work properly.</p>
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</div>
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</div>
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<div class="NAVFOOTER">
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<hr align="LEFT" width="100%" />
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<table summary="Footer navigation table" width="100%" border="0" cellpadding="0"
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cellspacing="0">
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<tr>
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<td width="33%" align="left" valign="top"><a href="basic-network-commands-ftp.html"
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accesskey="P">Prev</a></td>
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<td width="34%" align="center" valign="top"><a href="index.html"
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accesskey="H">Home</a></td>
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<td width="33%" align="right" valign="top"><a href="security.html"
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accesskey="N">Next</a></td>
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</tr>
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<tr>
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<td width="33%" align="left" valign="top">FTP Clients</td>
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<td width="34%" align="center" valign="top"><a href="basic-network-commands.html"
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accesskey="U">Up</a></td>
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<td width="33%" align="right" valign="top">Security</td>
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</tr>
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</table>
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</div>
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</html>
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