linux lsof -i

回答: `linux lsof -i`命令用于查看当前系统中所有打开的网络连接。通过这个命令，你可以获取到有关网络连接的详细信息，比如进程ID（PID）、用户、文件描述符（FD）、协议、本地地址和端口、远程地址和端口等。这些信息对于系统监测和排错非常有帮助。在引用的输出中，可以看到以`lsof -i`命令执行后的输出结果，其中包含了打开的网络连接的相关信息。<span class="em">1</span><span class="em">2</span><span class="em">3</span>
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