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                <ol class="chapter"><li class="chapter-item expanded affix "><a href="../intro.html">Introduction</a></li><li class="chapter-item expanded "><a href="../tools/index.html"><strong aria-hidden="true">1.</strong> Tools</a></li><li><ol class="section"><li class="chapter-item expanded "><a href="../tools/zsh.html"><strong aria-hidden="true">1.1.</strong> zsh</a></li><li class="chapter-item expanded "><a href="../tools/bash.html"><strong aria-hidden="true">1.2.</strong> bash</a></li><li class="chapter-item expanded "><a href="../tools/fish.html"><strong aria-hidden="true">1.3.</strong> fish</a></li><li class="chapter-item expanded "><a href="../tools/tmux.html"><strong aria-hidden="true">1.4.</strong> tmux</a></li><li class="chapter-item expanded "><a href="../tools/git.html"><strong aria-hidden="true">1.5.</strong> git</a></li><li class="chapter-item expanded "><a href="../tools/awk.html"><strong aria-hidden="true">1.6.</strong> awk</a></li><li class="chapter-item expanded 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href="../tools/ffmpeg.html"><strong aria-hidden="true">1.15.</strong> ffmpeg</a></li><li class="chapter-item expanded "><a href="../tools/column.html"><strong aria-hidden="true">1.16.</strong> column</a></li><li class="chapter-item expanded "><a href="../tools/sort.html"><strong aria-hidden="true">1.17.</strong> sort</a></li><li class="chapter-item expanded "><a href="../tools/sed.html"><strong aria-hidden="true">1.18.</strong> sed</a></li></ol></li><li class="chapter-item expanded "><a href="../monitor/index.html"><strong aria-hidden="true">2.</strong> Resource analysis & monitor</a></li><li><ol class="section"><li class="chapter-item expanded "><a href="../monitor/lsof.html"><strong aria-hidden="true">2.1.</strong> lsof</a></li><li class="chapter-item expanded "><a href="../monitor/ss.html"><strong aria-hidden="true">2.2.</strong> ss</a></li><li class="chapter-item expanded "><a href="../monitor/pidstat.html"><strong aria-hidden="true">2.3.</strong> pidstat</a></li><li class="chapter-item expanded "><a href="../monitor/pgrep.html"><strong aria-hidden="true">2.4.</strong> pgrep</a></li><li class="chapter-item expanded "><a href="../monitor/pmap.html"><strong aria-hidden="true">2.5.</strong> pmap</a></li><li class="chapter-item expanded "><a href="../monitor/pstack.html"><strong aria-hidden="true">2.6.</strong> pstack</a></li></ol></li><li class="chapter-item expanded "><a href="../trace_profile/index.html"><strong aria-hidden="true">3.</strong> Trace and Profile</a></li><li><ol class="section"><li class="chapter-item expanded "><a href="../trace_profile/strace.html"><strong aria-hidden="true">3.1.</strong> strace</a></li><li class="chapter-item expanded "><a href="../trace_profile/ltrace.html"><strong aria-hidden="true">3.2.</strong> ltrace</a></li><li class="chapter-item expanded "><a href="../trace_profile/perf.html"><strong aria-hidden="true">3.3.</strong> perf</a></li><li class="chapter-item expanded "><a href="../trace_profile/oprofile.html"><strong aria-hidden="true">3.4.</strong> OProfile</a></li><li class="chapter-item expanded "><a href="../trace_profile/time.html"><strong aria-hidden="true">3.5.</strong> time</a></li></ol></li><li class="chapter-item expanded "><a href="../binary/index.html"><strong aria-hidden="true">4.</strong> Binary</a></li><li><ol class="section"><li class="chapter-item expanded "><a href="../binary/od.html"><strong aria-hidden="true">4.1.</strong> od</a></li><li class="chapter-item expanded "><a href="../binary/xxd.html"><strong aria-hidden="true">4.2.</strong> xxd</a></li><li class="chapter-item expanded "><a href="../binary/readelf.html"><strong aria-hidden="true">4.3.</strong> readelf</a></li><li class="chapter-item expanded "><a href="../binary/objdump.html"><strong aria-hidden="true">4.4.</strong> objdump</a></li><li class="chapter-item expanded "><a href="../binary/nm.html"><strong aria-hidden="true">4.5.</strong> nm</a></li></ol></li><li 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aria-hidden="true">5.7.</strong> ld.so</a></li><li class="chapter-item expanded "><a href="../development/symbolver.html"><strong aria-hidden="true">5.8.</strong> symbol versioning</a></li><li class="chapter-item expanded "><a href="../development/python.html"><strong aria-hidden="true">5.9.</strong> python</a></li><li class="chapter-item expanded "><a href="../development/gcov.html"><strong aria-hidden="true">5.10.</strong> gcov</a></li><li class="chapter-item expanded "><a href="../development/pgo.html"><strong aria-hidden="true">5.11.</strong> pgo</a></li></ol></li><li class="chapter-item expanded "><a href="../linux/index.html"><strong aria-hidden="true">6.</strong> Linux</a></li><li><ol class="section"><li class="chapter-item expanded "><a href="../linux/systemd.html"><strong aria-hidden="true">6.1.</strong> systemd</a></li><li class="chapter-item expanded "><a href="../linux/coredump.html"><strong aria-hidden="true">6.2.</strong> coredump</a></li><li class="chapter-item expanded 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aria-hidden="true">9.</strong> Arch</a></li><li><ol class="section"><li class="chapter-item expanded "><a href="../arch/x86_64.html"><strong aria-hidden="true">9.1.</strong> x86_64</a></li><li class="chapter-item expanded "><a href="../arch/arm64.html"><strong aria-hidden="true">9.2.</strong> arm64</a></li><li class="chapter-item expanded "><a href="../arch/armv7.html"><strong aria-hidden="true">9.3.</strong> armv7</a></li><li class="chapter-item expanded "><a href="../arch/riscv.html"><strong aria-hidden="true">9.4.</strong> riscv</a></li></ol></li></ol>
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    &lt;p&gt;Some text in the second column.&lt;/p&gt;
  &lt;/div&gt;
&lt;/div&gt;
</code></pre>
<h1 id="minimal-grid-area"><a class="header" href="#minimal-grid-area">Minimal grid area</a></h1>
<p><a href="src/grid-area.html">Rendered html</a></p>
<pre><code class="language-html">&lt;style&gt;
.page-grid {
  display: grid;
  grid-template-columns: 1fr 2fr;
  grid-template-areas:
      &quot;h h&quot;
      &quot;s m&quot;
      &quot;f f&quot;;
  gap: 1em;
}
.gh {
  grid-area: h;
  background-color: orange;
}
.gs {
  grid-area: s;
  background-color: green;
}
.gm {
  grid-area: m;
  background-color: gray;
}
.gf {
  grid-area: f;
  background-color: yellow;
}
.nav-items {
  display: flex;                  /* flexbox model =&gt; flexible layout on row */
  justify-content: space-around;  /* align flex boxes horizontally with space around */
  align-items: center;            /* center flex items vertically */
  list-style: none;
}
p {
  margin: 1em;
}
&lt;/style&gt;
&lt;div class=&quot;page-grid&quot;&gt;
  &lt;div class=&quot;gh&quot;&gt;
      &lt;ul class=&quot;nav-items&quot;&gt;
          &lt;li class=&quot;nav-item&quot;&gt;&lt;a href=&quot;&quot;&gt;aa&lt;/a&gt;&lt;/li&gt;
          &lt;li class=&quot;nav-item&quot;&gt;&lt;a href=&quot;&quot;&gt;bb&lt;/a&gt;&lt;/li&gt;
          &lt;li class=&quot;nav-item&quot;&gt;&lt;a href=&quot;&quot;&gt;cc&lt;/a&gt;&lt;/li&gt;
      &lt;/ul&gt;
  &lt;/div&gt;
  &lt;div class=&quot;gs&quot;&gt;
    &lt;p&gt;Some text in the second column.&lt;/p&gt;
  &lt;/div&gt;
  &lt;div class=&quot;gm&quot;&gt;
    &lt;p&gt;Some text in the second column.&lt;/p&gt;
  &lt;/div&gt;
  &lt;div class=&quot;gf&quot;&gt;
    &lt;p&gt;Some text in the second column.&lt;/p&gt;
  &lt;/div&gt;
&lt;/div&gt;

</code></pre>
<h1 id="minimal-tabs"><a class="header" href="#minimal-tabs">Minimal tabs</a></h1>
<p><a href="src/tabs.html">Rendered html</a></p>
<pre><code class="language-html">&lt;script&gt;
const showTab = (E, T) =&gt; {
    const TABS = Array.from(document.getElementsByClassName(&quot;content&quot;));
    TABS.forEach(T =&gt; {
        T.style.display = &quot;none&quot;;
    });

    document.getElementById(T).style.display = &quot;block&quot;;
};

window.onload = () =&gt; {
    document.getElementById(&quot;bTab1&quot;).onclick = (E) =&gt; {
        showTab(E, &quot;tTab1&quot;);
    };
    document.getElementById(&quot;bTab2&quot;).onclick = (E) =&gt; {
        showTab(E, &quot;tTab2&quot;);
    };
}
&lt;/script&gt;

&lt;button type=&quot;button&quot; id=&quot;bTab1&quot;&gt;Tab1&lt;/button&gt;
&lt;button type=&quot;button&quot; id=&quot;bTab2&quot;&gt;Tab2&lt;/button&gt;

&lt;div id=&quot;tTab1&quot; class=&quot;content&quot; style=&quot;display: block;&quot;&gt;
    &lt;p&gt;Some content goes here ...&lt;/p&gt;
&lt;/div&gt;

&lt;div id=&quot;tTab2&quot; class=&quot;content&quot; style=&quot;display: none;&quot;&gt;
    &lt;p&gt;... and there.&lt;/p&gt;
&lt;/div&gt;
</code></pre>

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