coreutils.html

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                  <p>显示给定字符串。</p>
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                  <a id="env" name="env"></a><span class="term"><span><strong class="command">env</strong></span></span>
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                  <p>在一个被修改的环境中运行一个程序。</p>
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                  <a id="expand" name="expand"></a><span class="term"><span><strong class="command">expand</strong></span></span>
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                  <p>把 tab 转换为空格符。</p>
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                  <a id="expr" name="expr"></a><span class="term"><span><strong class="command">expr</strong></span></span>
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                  <p>执行简单的整数计算。</p>
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                  <a id="factor" name="factor"></a><span class="term"><span><strong class="command">factor</strong></span></span>
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                  <p>输出所有指定整数的质因数。</p>
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                  <a id="false" name="false"></a><span class="term"><span><strong class="command">false</strong></span></span>
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                  <p>返回一个不成功或者逻辑假的结果。</p>
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                  <a id="fmt" name="fmt"></a><span class="term"><span><strong class="command">fmt</strong></span></span>
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                  <p>预格式化指定文件的段落，送到标准输出。</p>
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                  <a id="fold" name="fold"></a><span class="term"><span><strong class="command">fold</strong></span></span>
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                  <p>断开指定文件(默认是标准输入)较长的行，在屏幕上显示。</p>
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                  <a id="groups-coreutils" name="groups-coreutils"></a><span class="term"><span><strong class="command">groups</strong></span></span>
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                  <p>显示一个用户所在的组。</p>
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                  <a id="head" name="head"></a><span class="term"><span><strong class="command">head</strong></span></span>
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                  <p>显示每个指定文件的前几行(默认是10)。</p>
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                  <a id="hostid" name="hostid"></a><span class="term"><span><strong class="command">hostid</strong></span></span>
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                  <p>以16进制方式，显示当前主机的数字标志符。</p>
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                  <a id="hostname" name="hostname"></a><span class="term"><span><strong class="command">hostname</strong></span></span>
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                  <p>显示或设置主机名。</p>
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                  <a id="id" name="id"></a><span class="term"><span><strong class="command">id</strong></span></span>
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                  <p>显示某个用户或者当前用户的真实和有效UID、GID。</p>
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                  <a id="install" name="install"></a><span class="term"><span><strong class="command">install</strong></span></span>
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                  <p>复制文件，设置它们的权限，如果可能还设置拥有它们的用户和组。</p>
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                  <a id="join" name="join"></a><span class="term"><span><strong class="command">join</strong></span></span>
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                  <p>合并两个文件的行。</p>
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                  <a id="link" name="link"></a><span class="term"><span><strong class="command">link</strong></span></span>
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                  <p>创建从指定文件到指定名称的硬链接。</p>
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                  <a id="ln" name="ln"></a><span class="term"><span><strong class="command">ln</strong></span></span>
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                  <p>创建文件之间的硬/软(符号)连接。</p>
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                  <a id="logname" name="logname"></a><span class="term"><span><strong class="command">logname</strong></span></span>
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                  <p>显示当前用户的登录名。</p>
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                  <a id="ls" name="ls"></a><span class="term"><span><strong class="command">ls</strong></span></span>
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                  <p>列出指定目录的所有内容。缺省是将文件和子目录按字母顺序排列。</p>
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                  <a id="md5sum" name="md5sum"></a><span class="term"><span><strong class="command">md5sum</strong></span></span>
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                  <p>显示或者校验MD5校验码。</p>
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                  <a id="mkdir" name="mkdir"></a><span class="term"><span><strong class="command">mkdir</strong></span></span>
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                  <p>建立目录，使用给定的参数作为目录名。</p>
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                  <a id="mkfifo" name="mkfifo"></a><span class="term"><span><strong class="command">mkfifo</strong></span></span>
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                  <p>以给定的参数作为名字建立FIFO(又叫命名管道)文件。</p>
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                  <a id="mknod" name="mknod"></a><span class="term"><span><strong class="command">mknod</strong></span></span>
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                  <p>使用给出的文件名，建立一个FIFO、字符特殊文件(special file)或者块特殊文件(special file)。特殊文件是UNIX系统的一个术语，意思是能够产生或者接受数据的东西，也就是通常所说的设备文件。</p>
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                  <a id="mv" name="mv"></a><span class="term"><span><strong class="command">mv</strong></span></span>
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                  <p>根据所给参数的不同，把文件或者目录移动到另外的目录或者将其改名。</p>
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                  <a id="nice" name="nice"></a><span class="term"><span><strong class="command">nice</strong></span></span>
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                  <p>修改某个进程的调度优先级。</p>
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                  <a id="nl" name="nl"></a><span class="term"><span><strong class="command">nl</strong></span></span>
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                  <p>把每个指定文件的内容写到标准输出，在每行加上行号。</p>
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                  <a id="nohup" name="nohup"></a><span class="term"><span><strong class="command">nohup</strong></span></span>
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                  <p>使某个命令不被挂起。</p>
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                  <a id="od" name="od"></a><span class="term"><span><strong class="command">od</strong></span></span>
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                  <p>以数字方式显示指定文件的内容，默认是八进制。</p>
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                  <a id="paste" name="paste"></a><span class="term"><span><strong class="command">paste</strong></span></span>
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                  <p>将字段连接在一起，在字段之间自动插入分割符,默认的分割符是Tab。</p>
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                  <a id="pathchk" name="pathchk"></a><span class="term"><span><strong class="command">pathchk</strong></span></span>
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                  <p>检查文件名是否是有效的或者是可移植的。</p>
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                  <a id="pinky" name="pinky"></a><span class="term"><span><strong class="command">pinky</strong></span></span>
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                  <p>一个轻量级的finger工具，用来得到某个用户的信息。</p>
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                  <a id="pr" name="pr"></a><span class="term"><span><strong class="command">pr</strong></span></span>
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                  <p>将文件分成适当大小的页送到打印机。</p>
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                  <a id="printenv" name="printenv"></a><span class="term"><span><strong class="command">printenv</strong></span></span>
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                  <p>显示所有的环境变量。</p>
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                <td>
                  <a id="printf" name="printf"></a><span class="term"><span><strong class="command">printf</strong></span></span>
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                  <p>格式化输出数据。</p>
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                  <a id="ptx" name="ptx"></a><span class="term"><span><strong class="command">ptx</strong></span></span>
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                  <p>为指定的文件提供一个排序索引。</p>
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                  <a id="pwd" name="pwd"></a><span class="term"><span><strong class="command">pwd</strong></span></span>
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                  <p>显示当前工作目录。</p>
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                  <a id="readlink" name="readlink"></a><span class="term"><span><strong class="command">readlink</strong></span></span>