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16 lines
907 B
HTML
16 lines
907 B
HTML
<h1 id="wall">wall</h1>
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<p>向系统当前所有打开的终端上输出信息</p>
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<h2 id="补充说明">补充说明</h2>
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<p><strong>wall命令</strong> 用于向系统当前所有打开的终端上输出信息。通过wall命令可将信息发送给每位同意接收公众信息的终端机用户,若不给予其信息内容,则wall命令会从标准输入设备读取数据,然后再把所得到的数据传送给所有终端机用户。</p>
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<h3 id="语法">语法</h3>
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<pre><code class="language-bash">wall(参数)</code></pre>
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<h3 id="参数">参数</h3>
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<p>消息:指定广播消息。</p>
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<h3 id="实例">实例</h3>
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<pre><code class="language-bash">[root@localhost ~]# wall this is a test line
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Broadcast message from root (pts/1) (Fri Dec 20 11:36:51 2013):
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this is a test line</code></pre>
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<!-- Linux命令行搜索引擎:https://jaywcjlove.github.io/linux-command/ -->
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