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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!
112 lines
4.9 KiB
HTML
112 lines
4.9 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>Buffers</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="Emacs" href="emacs.html" />
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<link rel="PREVIOUS" title="Emacs" href="emacs.html" />
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<link rel="NEXT" title="Modes" href="emacs-modes.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="emacs.html"
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accesskey="P">Prev</a></td>
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<td width="80%" align="center" valign="bottom">Chapter 17 Emacs</td>
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<td width="10%" align="right" valign="bottom"><a href="emacs-modes.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="EMACS-BUFFERS" name="EMACS-BUFFERS">17.2 Buffers</a></h1>
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<p>In Emacs, the concept of “buffers” is essential. Every file that you open
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is loaded into its own buffer. Furthermore, Emacs has several special buffers, which do
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not contain a file but are used for other things. Such special buffers usually have a
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name that starts and ends with an asterisk. For example, the buffer that Emacs shows when
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it is first started, is the so-called *scratch* buffer. In the *scratch* buffer, you can
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type text in the normal way, but text that is typed there is not saved when Emacs is
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closed.</p>
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<p>There is one other special buffer you need to know about, and that is the minibuffer.
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This buffer consists of only one line, and is always on the screen: it is the very last
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line of the Emacs window, below the status bar for the current buffer. The minibuffer is
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where Emacs shows messages for the user, and it is also the place where commands that
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require some user input are executed. For example, when you open a file, Emacs will ask
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for its name in the minibuffer.</p>
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<p>Switching from one buffer to another can be done with the command <b
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class="KEYCAP">C</b>-<b class="KEYCAP">x</b> <b class="KEYCAP">b</b>. This will prompt
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you for the name of a buffer (a buffer's name is usually the name of the file you are
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editing in it), and it gives a default choice, which is normally the buffer that you were
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in before you switched to or created the current buffer. Just hitting <span
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class="emphasis"><i class="EMPHASIS">Enter</i></span> will switch to that default
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buffer.</p>
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<p>If you want to switch to another buffer than the default offered by Emacs, just type
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its name. Note that you can use so-called <b class="KEYCAP">Tab</b>-completion here: type
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the first few letters of the buffer's name and hit <b class="KEYCAP">Tab</b>; Emacs will
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then complete the name of the buffer. <b class="KEYCAP">Tab</b> completion works
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everywhere in Emacs where it makes sense.</p>
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<p>You can get a list of open buffers by hitting <b class="KEYCAP">C</b>-<b
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class="KEYCAP">x</b> <b class="KEYCAP">C</b>-<b class="KEYCAP">b</b>. This command will
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usually split the screen in two, displaying the buffer you were working in in the top
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half, and a new buffer called *Buffer List* in the bottom half. This buffer contains a
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list of all the buffers, their sizes and modes, and the files, if any, that those buffers
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are visiting (as it is called in Emacs). You can get rid of this split screen by typing
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<b class="KEYCAP">C</b>-<b class="KEYCAP">x</b> <b class="KEYCAP">1</b>.</p>
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<div class="NOTE">
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<table class="NOTE" width="100%" border="0">
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<tr>
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<td width="25" align="CENTER" valign="TOP"><img src="./imagelib/admon/note.png"
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hspace="5" alt="Note" /></td>
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<td align="LEFT" valign="TOP">
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<p>Under X, the list of buffers is also available in the Buffer menu in the menu bar.</p>
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</td>
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</tr>
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</table>
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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="emacs.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="emacs-modes.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">Emacs</td>
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<td width="34%" align="center" valign="top"><a href="emacs.html"
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accesskey="U">Up</a></td>
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<td width="33%" align="right" valign="top">Modes</td>
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</tr>
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</table>
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</div>
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</body>
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</html>
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