coreutils.html

CLFS(Cross-Compiled Linux From Scratch)的文档 Version CLFS-SVN-20060417

                  </p>
                </td>
              </tr>
              <tr>
                <td>
                  <a id="cut" name="cut"></a><span class=
                  "term"><span><strong class=
                  "command">cut</strong></span></span>
                </td>
                <td>
                  <p>
                    Prints sections of lines, selecting the parts according
                    to given fields or positions
                  </p>
                </td>
              </tr>
              <tr>
                <td>
                  <a id="date" name="date"></a><span class=
                  "term"><span><strong class=
                  "command">date</strong></span></span>
                </td>
                <td>
                  <p>
                    Displays the current time in the given format, or sets
                    the system date
                  </p>
                </td>
              </tr>
              <tr>
                <td>
                  <a id="dd" name="dd"></a><span class=
                  "term"><span><strong class=
                  "command">dd</strong></span></span>
                </td>
                <td>
                  <p>
                    Copies a file using the given block size and count, while
                    optionally performing conversions on it
                  </p>
                </td>
              </tr>
              <tr>
                <td>
                  <a id="df" name="df"></a><span class=
                  "term"><span><strong class=
                  "command">df</strong></span></span>
                </td>
                <td>
                  <p>
                    Reports the amount of disk space available (and used) on
                    all mounted file systems, or only on the file systems
                    holding the selected files
                  </p>
                </td>
              </tr>
              <tr>
                <td>
                  <a id="dir" name="dir"></a><span class=
                  "term"><span><strong class=
                  "command">dir</strong></span></span>
                </td>
                <td>
                  <p>
                    Lists the contents of each given directory (the same as
                    the <span><strong class="command">ls</strong></span>
                    command)
                  </p>
                </td>
              </tr>
              <tr>
                <td>
                  <a id="dircolors" name="dircolors"></a><span class=
                  "term"><span><strong class=
                  "command">dircolors</strong></span></span>
                </td>
                <td>
                  <p>
                    Outputs commands to set the <tt class=
                    "envar">LS_COLOR</tt> environment variable to change the
                    color scheme used by <span><strong class=
                    "command">ls</strong></span>
                  </p>
                </td>
              </tr>
              <tr>
                <td>
                  <a id="dirname" name="dirname"></a><span class=
                  "term"><span><strong class=
                  "command">dirname</strong></span></span>
                </td>
                <td>
                  <p>
                    Strips the non-directory suffix from a file name
                  </p>
                </td>
              </tr>
              <tr>
                <td>
                  <a id="du" name="du"></a><span class=
                  "term"><span><strong class=
                  "command">du</strong></span></span>
                </td>
                <td>
                  <p>
                    Reports the amount of disk space used by the current
                    directory, by each of the given directories (including
                    all subdirectories) or by each of the given files
                  </p>
                </td>
              </tr>
              <tr>
                <td>
                  <a id="echo" name="echo"></a><span class=
                  "term"><span><strong class=
                  "command">echo</strong></span></span>
                </td>
                <td>
                  <p>
                    Displays the given strings
                  </p>
                </td>
              </tr>
              <tr>
                <td>
                  <a id="env" name="env"></a><span class=
                  "term"><span><strong class=
                  "command">env</strong></span></span>
                </td>
                <td>
                  <p>
                    Runs a command in a modified environment
                  </p>
                </td>
              </tr>
              <tr>
                <td>
                  <a id="expand" name="expand"></a><span class=
                  "term"><span><strong class=
                  "command">expand</strong></span></span>
                </td>
                <td>
                  <p>
                    Converts tabs to spaces
                  </p>
                </td>
              </tr>
              <tr>
                <td>
                  <a id="expr" name="expr"></a><span class=
                  "term"><span><strong class=
                  "command">expr</strong></span></span>
                </td>
                <td>
                  <p>
                    Evaluates expressions
                  </p>
                </td>
              </tr>
              <tr>
                <td>
                  <a id="factor" name="factor"></a><span class=
                  "term"><span><strong class=
                  "command">factor</strong></span></span>
                </td>
                <td>
                  <p>
                    Prints the prime factors of all specified integer numbers
                  </p>
                </td>
              </tr>
              <tr>
                <td>
                  <a id="false" name="false"></a><span class=
                  "term"><span><strong class=
                  "command">false</strong></span></span>
                </td>
                <td>
                  <p>
                    Does nothing, unsuccessfully; it always exits with a
                    status code indicating failure
                  </p>
                </td>
              </tr>
              <tr>
                <td>
                  <a id="fmt" name="fmt"></a><span class=
                  "term"><span><strong class=
                  "command">fmt</strong></span></span>
                </td>
                <td>
                  <p>
                    Reformats the paragraphs in the given files
                  </p>
                </td>
              </tr>
              <tr>
                <td>
                  <a id="fold" name="fold"></a><span class=
                  "term"><span><strong class=
                  "command">fold</strong></span></span>
                </td>
                <td>
                  <p>
                    Wraps the lines in the given files
                  </p>
                </td>
              </tr>
              <tr>
                <td>
                  <a id="groups" name="groups"></a><span class=
                  "term"><span><strong class=
                  "command">groups</strong></span></span>
                </td>
                <td>
                  <p>
                    Reports a user's group memberships
                  </p>
                </td>
              </tr>
              <tr>
                <td>
                  <a id="head" name="head"></a><span class=
                  "term"><span><strong class=
                  "command">head</strong></span></span>
                </td>
                <td>
                  <p>
                    Prints the first ten lines (or the given number of lines)
                    of each given file
                  </p>
                </td>
              </tr>
              <tr>
                <td>
                  <a id="hostid" name="hostid"></a><span class=
                  "term"><span><strong class=
                  "command">hostid</strong></span></span>
                </td>
                <td>
                  <p>
                    Reports the numeric identifier (in hexadecimal) of the
                    host
                  </p>
                </td>
              </tr>
              <tr>
                <td>
                  <a id="hostname" name="hostname"></a><span class=
                  "term"><span><strong class=
                  "command">hostname</strong></span></span>
                </td>
                <td>
                  <p>
                    Reports or sets the name of the host
                  </p>
                </td>
              </tr>
              <tr>
                <td>
                  <a id="id" name="id"></a><span class=
                  "term"><span><strong class=
                  "command">id</strong></span></span>
                </td>
                <td>
                  <p>
                    Reports the effective user ID, group ID, and group
                    memberships of the current user or specified user
                  </p>
                </td>
              </tr>
              <tr>
                <td>
                  <a id="install" name="install"></a><span class=
                  "term"><span><strong class=
                  "command">install</strong></span></span>
                </td>
                <td>
                  <p>
                    Copies files while setting their permission modes and, if
                    possible, their owner and group
                  </p>
                </td>
              </tr>
              <tr>
                <td>
                  <a id="join" name="join"></a><span class=
                  "term"><span><strong class=
                  "command">join</strong></span></span>
                </td>
                <td>
                  <p>
                    Joins the lines that have identical join fields from two
                    separate files
                  </p>
                </td>
              </tr>
              <tr>
                <td>
                  <a id="link" name="link"></a><span class=
                  "term"><span><strong class=
                  "command">link</strong></span></span>
                </td>
                <td>
                  <p>
                    Creates a hard link with the given name to a file
                  </p>
                </td>
              </tr>
              <tr>
                <td>
                  <a id="ln" name="ln"></a><span class=
                  "term"><span><strong class=
                  "command">ln</strong></span></span>
                </td>
                <td>
                  <p>
                    Makes hard links or soft (symbolic) links between files
                  </p>
                </td>
              </tr>
              <tr>
                <td>
                  <a id="logname" name="logname"></a><span class=
                  "term"><span><strong class=
                  "command">logname</strong></span></span>
                </td>
                <td>
                  <p>
                    Reports the current user's login name
                  </p>
                </td>
              </tr>