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<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"><html xmlns="http://www.w3.org/1999/xhtml"><head><meta name="generator" content="HTML Tidy, see www.w3.org" /><title>内核在引导时的交互</title><meta name="GENERATOR" content="Modular DocBook HTML Stylesheet Version 1.7" /><link rel="HOME" title="FreeBSD 使用手册" href="index.html" /><link rel="UP" title="FreeBSD引导过程" href="boot.html" /><link rel="PREVIOUS" title=" MBR, 和引导阶段一，二，三" href="boot-blocks.html" /><link rel="NEXT" title="Device Hints" href="device-hints.html" /><link rel="STYLESHEET" type="text/css" href="docbook.css" /><meta http-equiv="Content-Type" content="text/html; charset=GB2312" /></head><body class="SECT1" bgcolor="#FFFFFF" text="#000000" link="#0000FF" vlink="#840084"alink="#0000FF"><div class="NAVHEADER"><table summary="Header navigation table" width="100%" border="0" cellpadding="0"cellspacing="0"><tr><th colspan="3" align="center">FreeBSD 使用手册</th></tr><tr><td width="10%" align="left" valign="bottom"><a href="boot-blocks.html"accesskey="P">后退</a></td><td width="80%" align="center" valign="bottom">章 12. FreeBSD引导过程</td><td width="10%" align="right" valign="bottom"><a href="device-hints.html"accesskey="N">前进</a></td></tr></table><hr align="LEFT" width="100%" /></div><div class="SECT1"><h1 class="SECT1"><a id="BOOT-KERNEL" name="BOOT-KERNEL">12.4.内核在引导时的交互</a></h1><p>一旦内核被 <a href="boot-blocks.html#BOOT-LOADER">loader</a> (一般情况下)或者 <ahref="boot-blocks.html#BOOT-BOOT1">boot2</a> (越过loader)加载, 它将检查 引导标志,如果有的话，就会进行必要的动作调整.</p><div class="SECT2"><h2 class="SECT2"><a id="BOOT-KERNEL-BOOTFLAGS" name="BOOT-KERNEL-BOOTFLAGS">12.4.1.内核引导标志</a></h2><p>这里是一些常用的引导标志:</p><div class="VARIABLELIST"><dl><dt><var class="OPTION">-a</var></dt><dd><p>在内核初始化时,询问作为根加载的设备.</p></dd><dt><var class="OPTION">-C</var></dt><dd><p>从CDROM引导.</p></dd><dt><var class="OPTION">-c</var></dt><dd><p>运行UserConfig,(引导时的内核配置器)</p></dd><dt><var class="OPTION">-s</var></dt><dd><p>引导进入单用户模式</p></dd><dt><var class="OPTION">-v</var></dt><dd><p>在内核引导过程中显示更有的信息</p></dd></dl></div><div class="NOTE"><blockquote class="NOTE"><p><b>注:</b> 还有更多的引导标志,阅读<span class="CITEREFENTRY"><spanclass="REFENTRYTITLE">boot</span>(8)</span> 以获取有关它们的信息.</p></blockquote></div></div></div><div class="NAVFOOTER"><hr align="LEFT" width="100%" /><table summary="Footer navigation table" width="100%" border="0" cellpadding="0"cellspacing="0"><tr><td width="33%" align="left" valign="top"><a href="boot-blocks.html"accesskey="P">后退</a></td><td width="34%" align="center" valign="top"><a href="index.html"accesskey="H">起点</a></td><td width="33%" align="right" valign="top"><a href="device-hints.html"accesskey="N">前进</a></td></tr><tr><td width="33%" align="left" valign="top">MBR, 和引导阶段一，二，三</td><td width="34%" align="center" valign="top"><a href="boot.html"accesskey="U">上一级</a></td><td width="33%" align="right" valign="top">Device Hints</td></tr></table></div></body></html>⌨️ 快捷键说明
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