doc: Update linux-command.md (#491)

添加文件描述符、前后台等命令 1ee3fb8bed
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jaywcjlove
2023-12-22 00:11:16 +00:00
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<p>这个快速参考备忘单提供了使用 Linux 常用命令的使用清单</p>
</div></header><div class="menu-tocs"><div class="menu-btn"><svg aria-hidden="true" fill="currentColor" height="1em" width="1em" viewBox="0 0 16 16" version="1.1" data-view-component="true">
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</svg></div><div class="menu-modal"><a aria-hidden="true" class="leve2 tocs-link" data-num="2" href="#命令速查表">命令速查表</a><a aria-hidden="true" class="leve3 tocs-link" data-num="3" href="#系统">系统</a><a aria-hidden="true" class="leve3 tocs-link" data-num="3" href="#硬件">硬件</a><a aria-hidden="true" class="leve3 tocs-link" data-num="3" href="#用户">用户</a><a aria-hidden="true" class="leve3 tocs-link" data-num="3" href="#登陆">登陆</a><a aria-hidden="true" class="leve3 tocs-link" data-num="3" href="#文件">文件</a><a aria-hidden="true" class="leve3 tocs-link" data-num="3" href="#进程">进程</a><a aria-hidden="true" class="leve3 tocs-link" data-num="3" href="#安装包">安装包</a><a aria-hidden="true" class="leve3 tocs-link" data-num="3" href="#文件权限">文件权限</a><a aria-hidden="true" class="leve3 tocs-link" data-num="3" href="#安装源编译">安装源(编译)</a><a aria-hidden="true" class="leve3 tocs-link" data-num="3" href="#压缩打包">压缩/打包</a><a aria-hidden="true" class="leve3 tocs-link" data-num="3" href="#搜索">搜索</a><a aria-hidden="true" class="leve3 tocs-link" data-num="3" href="#网络">网络</a><a aria-hidden="true" class="leve3 tocs-link" data-num="3" href="#文件传输">文件传输</a><a aria-hidden="true" class="leve3 tocs-link" data-num="3" href="#磁盘使用情况">磁盘使用情况</a><a aria-hidden="true" class="leve3 tocs-link" data-num="3" href="#目录遍历">目录遍历</a><a aria-hidden="true" class="leve2 tocs-link" data-num="2" href="#快捷键">快捷键</a><a aria-hidden="true" class="leve3 tocs-link" data-num="3" href="#命令行编辑">命令行编辑</a><a aria-hidden="true" class="leve3 tocs-link" data-num="3" href="#其他">其他</a><a aria-hidden="true" class="leve2 tocs-link" data-num="2" href="#另见">另见</a></div></div><div class="h1wrap-body"><div class="wrap h2body-exist"><div class="wrap-header h2wrap"><h2 id="命令速查表"><a aria-hidden="true" tabindex="-1" href="#命令速查表"><span class="icon icon-link"></span></a>命令速查表</h2><div class="wrap-body">
</svg></div><div class="menu-modal"><a aria-hidden="true" class="leve2 tocs-link" data-num="2" href="#命令速查表">命令速查表</a><a aria-hidden="true" class="leve3 tocs-link" data-num="3" href="#系统">系统</a><a aria-hidden="true" class="leve3 tocs-link" data-num="3" href="#硬件">硬件</a><a aria-hidden="true" class="leve3 tocs-link" data-num="3" href="#用户">用户</a><a aria-hidden="true" class="leve3 tocs-link" data-num="3" href="#登陆">登陆</a><a aria-hidden="true" class="leve3 tocs-link" data-num="3" href="#文件">文件</a><a aria-hidden="true" class="leve3 tocs-link" data-num="3" href="#进程">进程</a><a aria-hidden="true" class="leve3 tocs-link" data-num="3" href="#安装包">安装包</a><a aria-hidden="true" class="leve3 tocs-link" data-num="3" href="#文件权限">文件权限</a><a aria-hidden="true" class="leve3 tocs-link" data-num="3" href="#安装源编译">安装源(编译)</a><a aria-hidden="true" class="leve3 tocs-link" data-num="3" href="#压缩打包">压缩/打包</a><a aria-hidden="true" class="leve3 tocs-link" data-num="3" href="#搜索">搜索</a><a aria-hidden="true" class="leve3 tocs-link" data-num="3" href="#网络">网络</a><a aria-hidden="true" class="leve3 tocs-link" data-num="3" href="#文件传输">文件传输</a><a aria-hidden="true" class="leve3 tocs-link" data-num="3" href="#磁盘使用情况">磁盘使用情况</a><a aria-hidden="true" class="leve3 tocs-link" data-num="3" href="#目录遍历">目录遍历</a><a aria-hidden="true" class="leve3 tocs-link" data-num="3" href="#文件描述符">文件描述符</a><a aria-hidden="true" class="leve3 tocs-link" data-num="3" href="#输出重定向">输出重定向</a><a aria-hidden="true" class="leve2 tocs-link" data-num="2" href="#前后台">前后台</a><a aria-hidden="true" class="leve3 tocs-link" data-num="3" href="#终端关闭程序也关闭">&#x26;(终端关闭,程序也关闭)</a><a aria-hidden="true" class="leve3 tocs-link" data-num="3" href="#nohup终端关闭程序继续运行">nohup终端关闭程序继续运行</a><a aria-hidden="true" class="leve3 tocs-link" data-num="3" href="#screen创建独立会话">screen创建独立会话</a><a aria-hidden="true" class="leve2 tocs-link" data-num="2" href="#快捷键">快捷键</a><a aria-hidden="true" class="leve3 tocs-link" data-num="3" href="#命令行编辑">命令行编辑</a><a aria-hidden="true" class="leve3 tocs-link" data-num="3" href="#其他">其他</a><a aria-hidden="true" class="leve2 tocs-link" data-num="2" href="#另见">另见</a></div></div><div class="h1wrap-body"><div class="wrap h2body-exist"><div class="wrap-header h2wrap"><h2 id="命令速查表"><a aria-hidden="true" tabindex="-1" href="#命令速查表"><span class="icon icon-link"></span></a>命令速查表</h2><div class="wrap-body">
</div></div><div class="h2wrap-body"><div class="wrap h3body-not-exist row-span-2"><div class="wrap-header h3wrap"><h3 id="系统"><a aria-hidden="true" tabindex="-1" href="#系统"><span class="icon icon-link"></span></a>系统</h3><div class="wrap-body">
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<table class="style-list"><thead><tr><th align="left">:---</th><th align="left">:---</th></tr></thead><tbody><tr><td align="left"><strong><code>ps</code></strong></td><td align="left">显示当前活动的进程</td></tr><tr><td align="left"><strong><code>ps aux | grep 'telnet'</code></strong></td><td align="left">搜索进程'telnet'的id</td></tr><tr><td align="left"><strong><code>pmap</code></strong></td><td align="left">显示进程的内存映射</td></tr><tr><td align="left"><strong><code>top</code></strong></td><td align="left">显示所有正在运行的进程</td></tr><tr><td align="left"><strong><code>kill pid</code></strong></td><td align="left">使用给定的pid终止进程</td></tr><tr><td align="left"><strong><code>killall proc</code></strong></td><td align="left">杀死/终止所有名为proc的进程</td></tr><tr><td align="left"><strong><code>pkill process-name</code></strong></td><td align="left">向具有其名称的进程发送信号</td></tr><tr><td align="left"><strong><code>bg</code></strong></td><td align="left">将一个在后台暂停的命令,变成继续执行</td></tr><tr><td align="left"><strong><code>fg</code></strong></td><td align="left">将后台中的命令调至前台继续运行</td></tr><tr><td align="left"><strong><code>fg n</code></strong></td><td align="left">job n to the foreground</td></tr><tr><td align="left"><strong><code>lsof</code></strong></td><td align="left">列出进程打开的文件 <a href="./lsof.html">#</a></td></tr><tr><td align="left"><strong><code>renice 19 PID</code></strong></td><td align="left">使进程以非常低的优先级运行</td></tr><tr><td align="left"><strong><code>pgrep firefox</code></strong></td><td align="left">查找Firefox进程ID</td></tr><tr><td align="left"><strong><code>pstree</code></strong></td><td align="left">在树模型中可视化过程</td></tr></tbody></table>
<table class="style-list"><thead><tr><th align="left">:---</th><th align="left">:---</th></tr></thead><tbody><tr><td align="left"><strong><code>ps</code></strong></td><td align="left">显示当前活动的进程</td></tr><tr><td align="left"><strong><code>ps aux | grep 'telnet'</code></strong></td><td align="left">搜索进程'telnet'的id</td></tr><tr><td align="left"><strong><code>pmap</code></strong></td><td align="left">显示进程的内存映射</td></tr><tr><td align="left"><strong><code>top</code></strong></td><td align="left">显示所有正在运行的进程</td></tr><tr><td align="left"><strong><code>kill pid</code></strong></td><td align="left">使用给定的pid终止进程</td></tr><tr><td align="left"><strong><code>killall proc</code></strong></td><td align="left">杀死/终止所有名为proc的进程</td></tr><tr><td align="left"><strong><code>pkill process-name</code></strong></td><td align="left">向具有其名称的进程发送信号</td></tr><tr><td align="left"><strong><code>lsof</code></strong></td><td align="left">列出进程打开的文件 <a href="./lsof.html">#</a></td></tr><tr><td align="left"><strong><code>renice 19 PID</code></strong></td><td align="left">使进程以非常低的优先级运行</td></tr><tr><td align="left"><strong><code>pgrep firefox</code></strong></td><td align="left">查找Firefox进程ID</td></tr><tr><td align="left"><strong><code>pstree</code></strong></td><td align="left">在树模型中可视化过程</td></tr></tbody></table>
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</div></div></div><div class="wrap h3body-not-exist"><div class="wrap-header h3wrap"><h3 id="安装包"><a aria-hidden="true" tabindex="-1" href="#安装包"><span class="icon icon-link"></span></a>安装包</h3><div class="wrap-body">
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<table class="style-list"><thead><tr><th align="left">:---</th><th align="left">:---</th></tr></thead><tbody><tr><td align="left"><strong><code>cd ..</code></strong></td><td align="left">在目录树结构中向上移动一层</td></tr><tr><td align="left"><strong><code>cd</code></strong></td><td align="left">将目录更改为$HOME目录</td></tr><tr><td align="left"><strong><code>cd /test</code></strong></td><td align="left">将目录更改为/test目录</td></tr></tbody></table>
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</div></div></div><div class="wrap h3body-not-exist row-span-2"><div class="wrap-header h3wrap"><h3 id="文件描述符"><a aria-hidden="true" tabindex="-1" href="#文件描述符"><span class="icon icon-link"></span></a>文件描述符</h3><div class="wrap-body">
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<table class="style-list"><thead><tr><th align="left">:---</th><th align="left">:---</th></tr></thead><tbody><tr><td align="left"><strong><code>0</code></strong></td><td align="left">标准输入</td></tr><tr><td align="left"><strong><code>1</code></strong></td><td align="left">标准输出</td></tr><tr><td align="left"><strong><code>2</code></strong></td><td align="left">错误输出</td></tr><tr><td align="left"><strong><code>/dev/null</code></strong></td><td align="left">Linux的空设备文件俗称“黑洞”</td></tr></tbody></table>
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</div></div></div><div class="wrap h3body-not-exist row-span-2"><div class="wrap-header h3wrap"><h3 id="输出重定向"><a aria-hidden="true" tabindex="-1" href="#输出重定向"><span class="icon icon-link"></span></a>输出重定向</h3><div class="wrap-body">
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<table class="style-list"><thead><tr><th align="left">:---</th><th align="left">:---</th></tr></thead><tbody><tr><td align="left"><strong><code>></code></strong></td><td align="left">覆盖运算符</td></tr><tr><td align="left"><strong><code>>></code></strong></td><td align="left">追加运算符</td></tr><tr><td align="left"><strong><code>>&#x26;</code></strong></td><td align="left">重定向合并运算符</td></tr><tr><td align="left"><strong><code>command > filename</code></strong></td><td align="left">标准输出覆盖写入新文件</td></tr><tr><td align="left"><strong><code>command 1> filename</code></strong></td><td align="left">标准输出覆盖写入新文件(同上)</td></tr><tr><td align="left"><strong><code>command 2> filename</code></strong></td><td align="left">标准错误覆盖写入新文件</td></tr><tr><td align="left"><strong><code>command >> filename</code></strong></td><td align="left">标准输出追加到新文件</td></tr><tr><td align="left"><strong><code>command 1>> filename</code></strong></td><td align="left">标准输出追加到新文件(同上)</td></tr><tr><td align="left"><strong><code>command 1>> filename</code></strong></td><td align="left">标准错误追加到新文件</td></tr><tr><td align="left"><strong><code>2>&#x26;1</code></strong></td><td align="left">标准错误重定向到标准输出</td></tr><tr><td align="left"><strong><code>1>&#x26;2</code></strong></td><td align="left">标准输出重定向到标准错误</td></tr></tbody></table>
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</div></div></div></div></div><div class="wrap h2body-exist"><div class="wrap-header h2wrap"><h2 id="前后台"><a aria-hidden="true" tabindex="-1" href="#前后台"><span class="icon icon-link"></span></a>前后台</h2><div class="wrap-body">
</div></div><div class="h2wrap-body"><div class="wrap h3body-not-exist row-span-2"><div class="wrap-header h3wrap"><h3 id="终端关闭程序也关闭"><a aria-hidden="true" tabindex="-1" href="#终端关闭程序也关闭"><span class="icon icon-link"></span></a>&#x26;(终端关闭,程序也关闭)</h3><div class="wrap-body">
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<table class="style-list"><thead><tr><th align="left">:---</th><th align="left">:---</th></tr></thead><tbody><tr><td align="left"><strong><code>command &#x26;</code></strong></td><td align="left">使用后台进程模式执行command</td></tr><tr><td align="left"><strong>Ctrl+Z</strong></td><td align="left">将当前进程放到后台但程序是Stopped状态</td></tr><tr><td align="left"><strong><code>jobs</code></strong></td><td align="left">查看任务状态、ID等</td></tr><tr><td align="left"><strong><code>fg n</code></strong></td><td align="left">将jobID为n的任务切到<strong>前台</strong>运行</td></tr><tr><td align="left"><strong><code>bg n</code></strong></td><td align="left">将jobID为n的任务切到<strong>后台</strong>运行</td></tr></tbody></table>
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</div></div></div><div class="wrap h3body-not-exist row-span-2"><div class="wrap-header h3wrap"><h3 id="nohup终端关闭程序继续运行"><a aria-hidden="true" tabindex="-1" href="#nohup终端关闭程序继续运行"><span class="icon icon-link"></span></a>nohup终端关闭程序继续运行</h3><div class="wrap-body">
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<table class="style-list"><thead><tr><th align="left">:---</th><th align="left">:---</th></tr></thead><tbody><tr><td align="left"><strong><code>nohup command &#x26;</code></strong></td><td align="left">后台执行command标准输出到nohup.out</td></tr><tr><td align="left"><strong><code>nohup command > log_file &#x26;</code></strong></td><td align="left">后台执行command标准输出到log_file</td></tr><tr><td align="left"><strong><code>nohup command > log_file 2>&#x26;1 &#x26;</code></strong></td><td align="left">后台执行command标准输出和错误输出到log_file</td></tr><tr><td align="left"><strong><code>nohup command > log_file 2>err_log &#x26;</code></strong></td><td align="left">后台执行command标准输出到log_file错误输出到err_log</td></tr><tr><td align="left"><strong><code>ps/kill</code></strong></td><td align="left">查看进程/结束进程</td></tr></tbody></table>
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</div></div></div><div class="wrap h3body-not-exist row-span-2"><div class="wrap-header h3wrap"><h3 id="screen创建独立会话"><a aria-hidden="true" tabindex="-1" href="#screen创建独立会话"><span class="icon icon-link"></span></a>screen创建独立会话</h3><div class="wrap-body">
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<table class="style-list"><thead><tr><th align="left">:---</th><th align="left">:---</th></tr></thead><tbody><tr><td align="left"><strong><code>screen -S my_session</code></strong></td><td align="left">创建一个名为my_session的会话</td></tr><tr><td align="left"><strong><code>screen -ls</code></strong></td><td align="left">列出当前所有的session</td></tr><tr><td align="left"><strong><code>screen -r my_session</code></strong></td><td align="left">重新连接my_session这个会话</td></tr><tr><td align="left"><strong><code>screen -d my_session</code></strong></td><td align="left">脱离my_session这个会话</td></tr><tr><td align="left"><strong>Ctrl+a+d</strong></td><td align="left">在screen中脱离当前会话</td></tr><tr><td align="left"><strong><code>exit</code></strong></td><td align="left">在screen中退出并删除当前screen</td></tr><tr><td align="left"><strong><code>screen -X -S my_session quit</code></strong></td><td align="left">删除my_session这个会话</td></tr><tr><td align="left"><strong><code>screen -wipe</code></strong></td><td align="left">删除所有已经失效的会话</td></tr></tbody></table>
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</div></div></div></div></div><div class="wrap h2body-exist"><div class="wrap-header h2wrap"><h2 id="快捷键"><a aria-hidden="true" tabindex="-1" href="#快捷键"><span class="icon icon-link"></span></a>快捷键</h2><div class="wrap-body">
</div></div><div class="h2wrap-body"><div class="wrap h3body-not-exist row-span-2"><div class="wrap-header h3wrap"><h3 id="命令行编辑"><a aria-hidden="true" tabindex="-1" href="#命令行编辑"><span class="icon icon-link"></span></a>命令行编辑</h3><div class="wrap-body">
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<table><thead><tr><th align="left">:---</th><th align="left">:---</th></tr></thead><tbody><tr><td align="left"><strong>Ctrl+L</strong></td><td align="left">清屏</td></tr><tr><td align="left"><strong>Ctrl+C</strong></td><td align="left">中断正在执行的程序</td></tr><tr><td align="left"><strong>Ctrl+R</strong></td><td align="left">按字符串寻找历史命令</td></tr><tr><td align="left"><strong>Ctrl+Z</strong></td><td align="left">将当前进程放到后台(之后可以用<code>fg</code>命令重回到前台</td></tr><tr><td align="left"><strong>Shift+Insert</strong></td><td align="left">粘贴</td></tr><tr><td align="left"><strong>Ctrl+PageUp</strong></td><td align="left">屏幕输出向上翻页</td></tr><tr><td align="left"><strong>Ctrl+PageDown</strong></td><td align="left">屏幕输出向下翻页</td></tr><tr><td align="left">Ctrl+P (Up)</td><td align="left">上一条命令</td></tr><tr><td align="left">Ctrl+N (Down)</td><td align="left">下一条命令</td></tr></tbody></table>
<table><thead><tr><th align="left">:---</th><th align="left">:---</th></tr></thead><tbody><tr><td align="left"><strong>Ctrl+L</strong></td><td align="left">清屏</td></tr><tr><td align="left"><strong>Ctrl+C</strong></td><td align="left">中断正在执行的程序</td></tr><tr><td align="left"><strong>Ctrl+R</strong></td><td align="left">按字符串寻找历史命令</td></tr><tr><td align="left"><strong>Ctrl+Z</strong></td><td align="left">将当前进程放到后台(但程序是Stopped状态</td></tr><tr><td align="left"><strong>Shift+Insert</strong></td><td align="left">粘贴</td></tr><tr><td align="left"><strong>Ctrl+PageUp</strong></td><td align="left">屏幕输出向上翻页</td></tr><tr><td align="left"><strong>Ctrl+PageDown</strong></td><td align="left">屏幕输出向下翻页</td></tr><tr><td align="left">Ctrl+P (Up)</td><td align="left">上一条命令</td></tr><tr><td align="left">Ctrl+N (Down)</td><td align="left">下一条命令</td></tr></tbody></table>
</div></div></div></div></div><div class="wrap h2body-not-exist"><div class="wrap-header h2wrap"><h2 id="另见"><a aria-hidden="true" tabindex="-1" href="#另见"><span class="icon icon-link"></span></a>另见</h2><div class="wrap-body">
<ul>
<li><a href="https://jaywcjlove.github.io/linux-command">Linux命令大全搜索工具</a> <em>(jaywcjlove.github.io)</em></li>

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@ -1407,7 +1410,7 @@
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<p>如果你有资源,可以很方便<a href="https://github.com/jaywcjlove/reference/issues/102#issue-1451649637">部署 web 版</a>,这非常简单,只需要克隆 <a href="https://github.com/jaywcjlove/reference/tree/gh-pages">gh-pages</a> 分支代码到你的静态服务就可以了,还可以使用 <a href="https://hub.docker.com/r/wcjiang/reference">docker</a> 快捷部署 web 版。</p>
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