https://blog.grabbyte.com/tags/command/ Recent content in COMMAND on 软件开发大郭的技术博客 Hugo en Sat, 04 Feb 2023 14:39:57 +0800 https://blog.grabbyte.com/p/2023/02/04-1439.html Sat, 04 Feb 2023 14:39:57 +0800 https://blog.grabbyte.com/p/2023/02/04-1439.html <p>现在已经走到了执行第一个任务的地方了，如下</p> <div class="highlight"><div class="chroma"> <table class="lntable"><tr><td class="lntd"> <pre tabindex="0" class="chroma"><code><span class="lnt">1 </span><span class="lnt">2 </span><span class="lnt">3 </span><span class="lnt">4 </span></code></pre></td> <td class="lntd"> <pre tabindex="0" class="chroma"><code class="language-fallback" data-lang="fallback"><span class="line"><span class="cl">main() </span></span><span class="line"><span class="cl"> |--&gt;init_kernel() </span></span><span class="line"><span class="cl"> | </span></span><span class="line"><span class="cl"> |--&gt;kernel() -&gt; p_0() -&gt; DosExec(...&#34;COMMAND.COM&#34;...) </span></span></code></pre></td></tr></table> </div> </div><p>官方给出的COMMAND.COM是FreeCom，FreeCom有些复杂，既然我们研究的是COM文件加载执行，何不选择一个较小的COM文件，岂不更方便？</p>