/[gentoo]/xml/htdocs/doc/en/devfs-guide.xml
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1<?xml version='1.0' encoding="UTF-8"?> 1<?xml version='1.0' encoding="UTF-8"?>
2<!-- $Header: /var/cvsroot/gentoo/xml/htdocs/doc/en/devfs-guide.xml,v 1.6 2004/07/20 17:12:29 vapier Exp $ --> 2<!-- $Header: /var/cvsroot/gentoo/xml/htdocs/doc/en/devfs-guide.xml,v 1.7 2004/09/09 11:56:26 swift Exp $ -->
3 3
4<!DOCTYPE guide SYSTEM "/dtd/guide.dtd"> 4<!DOCTYPE guide SYSTEM "/dtd/guide.dtd">
5 5
6<guide link="/doc/en/devfs-guide.xml"> 6<guide link="/doc/en/devfs-guide.xml">
7<title>Device File System Guide</title> 7<title>Device File System Guide</title>
17and how to work with it. 17and how to work with it.
18</abstract> 18</abstract>
19 19
20<license/> 20<license/>
21 21
22<version>0.1</version> 22<version>0.2</version>
23<date>September 11, 2003</date> 23<date>September 09, 2004</date>
24 24
25<chapter> 25<chapter>
26<title>What is devfs?</title> 26<title>What is devfs?</title>
27<section> 27<section>
28<title>The (good?) old days</title> 28<title>The (good?) old days</title>
126</p> 126</p>
127 127
128</body> 128</body>
129</section> 129</section>
130<section> 130<section>
131<title>devfs as all-round winner</title> 131<title>devfs as all-round winner ?</title>
132<body> 132<body>
133 133
134<p> 134<p>
135devfs tackles all listed problems. It only provides the user with 135devfs tackles all listed problems. It only provides the user with
136existing devices, adds new nodes when new devices are found, and makes 136existing devices, adds new nodes when new devices are found, and makes
142<p> 142<p>
143For instance, with devfs, you don't have to worry about major/minor 143For instance, with devfs, you don't have to worry about major/minor
144pairs. It is still supported (for backwards compatibility), but isn't 144pairs. It is still supported (for backwards compatibility), but isn't
145needed. This makes it possible for Linux to support even more devices, 145needed. This makes it possible for Linux to support even more devices,
146since there are no limits anymore (numbers always have boundaries :) 146since there are no limits anymore (numbers always have boundaries :)
147</p>
148
149<p>
150Yet devfs does come with it's own problems; for the end users these issues
151aren't really visible, but for the kernel maintainers the problems are big
152enough to mark devfs <e>obsolete</e> in favor of <uri
153link="udev-guide.xml">udev</uri> (which Gentoo supports as well :).
154</p>
155
156<p>
157For more information as to why devfs is marked obsolete, please read the <uri
158link="http://www.kernel.org/pub/linux/utils/kernel/hotplug/udev-FAQ">udev
159FAQ</uri> and <uri
160link="http://www.kernel.org/pub/linux/utils/kernel/hotplug/udev_vs_devfs">udev
161versus devfs document</uri>.
147</p> 162</p>
148 163
149</body> 164</body>
150</section> 165</section>
151</chapter> 166</chapter>

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