shadow.html

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

                  </p>
                </td>
              </tr>
              <tr>
                <td>
                  <a id="expiry" name="expiry"></a><span class=
                  "term"><span><strong class=
                  "command">expiry</strong></span></span>
                </td>
                <td>
                  <p>
                    Checks and enforces the current password expiration
                    policy
                  </p>
                </td>
              </tr>
              <tr>
                <td>
                  <a id="faillog" name="faillog"></a><span class=
                  "term"><span><strong class=
                  "command">faillog</strong></span></span>
                </td>
                <td>
                  <p>
                    Is used to examine the log of login failures, to set a
                    maximum number of failures before an account is blocked,
                    or to reset the failure count
                  </p>
                </td>
              </tr>
              <tr>
                <td>
                  <a id="gpasswd" name="gpasswd"></a><span class=
                  "term"><span><strong class=
                  "command">gpasswd</strong></span></span>
                </td>
                <td>
                  <p>
                    Is used to add and delete members and administrators to
                    groups
                  </p>
                </td>
              </tr>
              <tr>
                <td>
                  <a id="groupadd" name="groupadd"></a><span class=
                  "term"><span><strong class=
                  "command">groupadd</strong></span></span>
                </td>
                <td>
                  <p>
                    Creates a group with the given name
                  </p>
                </td>
              </tr>
              <tr>
                <td>
                  <a id="groupdel" name="groupdel"></a><span class=
                  "term"><span><strong class=
                  "command">groupdel</strong></span></span>
                </td>
                <td>
                  <p>
                    Deletes the group with the given name
                  </p>
                </td>
              </tr>
              <tr>
                <td>
                  <a id="groupmod" name="groupmod"></a><span class=
                  "term"><span><strong class=
                  "command">groupmod</strong></span></span>
                </td>
                <td>
                  <p>
                    Is used to modify the given group's name or GID
                  </p>
                </td>
              </tr>
              <tr>
                <td>
                  <a id="grpck" name="grpck"></a><span class=
                  "term"><span><strong class=
                  "command">grpck</strong></span></span>
                </td>
                <td>
                  <p>
                    Verifies the integrity of the group files <tt class=
                    "filename">/etc/group</tt> and <tt class=
                    "filename">/etc/gshadow</tt>
                  </p>
                </td>
              </tr>
              <tr>
                <td>
                  <a id="grpconv" name="grpconv"></a><span class=
                  "term"><span><strong class=
                  "command">grpconv</strong></span></span>
                </td>
                <td>
                  <p>
                    Creates or updates the shadow group file from the normal
                    group file
                  </p>
                </td>
              </tr>
              <tr>
                <td>
                  <a id="grpunconv" name="grpunconv"></a><span class=
                  "term"><span><strong class=
                  "command">grpunconv</strong></span></span>
                </td>
                <td>
                  <p>
                    Updates <tt class="filename">/etc/group</tt> from
                    <tt class="filename">/etc/gshadow</tt> and then deletes
                    the latter
                  </p>
                </td>
              </tr>
              <tr>
                <td>
                  <a id="lastlog" name="lastlog"></a><span class=
                  "term"><span><strong class=
                  "command">lastlog</strong></span></span>
                </td>
                <td>
                  <p>
                    Reports the most recent login of all users or of a given
                    user
                  </p>
                </td>
              </tr>
              <tr>
                <td>
                  <a id="login" name="login"></a><span class=
                  "term"><span><strong class=
                  "command">login</strong></span></span>
                </td>
                <td>
                  <p>
                    Is used by the system to let users sign on
                  </p>
                </td>
              </tr>
              <tr>
                <td>
                  <a id="logoutd" name="logoutd"></a><span class=
                  "term"><span><strong class=
                  "command">logoutd</strong></span></span>
                </td>
                <td>
                  <p>
                    Is a daemon used to enforce restrictions on log-on time
                    and ports
                  </p>
                </td>
              </tr>
              <tr>
                <td>
                  <a id="newgrp" name="newgrp"></a><span class=
                  "term"><span><strong class=
                  "command">newgrp</strong></span></span>
                </td>
                <td>
                  <p>
                    Is used to change the current GID during a login session
                  </p>
                </td>
              </tr>
              <tr>
                <td>
                  <a id="newusers" name="newusers"></a><span class=
                  "term"><span><strong class=
                  "command">newusers</strong></span></span>
                </td>
                <td>
                  <p>
                    Is used to create or update an entire series of user
                    accounts
                  </p>
                </td>
              </tr>
              <tr>
                <td>
                  <a id="passwd" name="passwd"></a><span class=
                  "term"><span><strong class=
                  "command">passwd</strong></span></span>
                </td>
                <td>
                  <p>
                    Is used to change the password for a user or group
                    account
                  </p>
                </td>
              </tr>
              <tr>
                <td>
                  <a id="pwck" name="pwck"></a><span class=
                  "term"><span><strong class=
                  "command">pwck</strong></span></span>
                </td>
                <td>
                  <p>
                    Verifies the integrity of the password files <tt class=
                    "filename">/etc/passwd</tt> and <tt class=
                    "filename">/etc/shadow</tt>
                  </p>
                </td>
              </tr>
              <tr>
                <td>
                  <a id="pwconv" name="pwconv"></a><span class=
                  "term"><span><strong class=
                  "command">pwconv</strong></span></span>
                </td>
                <td>
                  <p>
                    Creates or updates the shadow password file from the
                    normal password file
                  </p>
                </td>
              </tr>
              <tr>
                <td>
                  <a id="pwunconv" name="pwunconv"></a><span class=
                  "term"><span><strong class=
                  "command">pwunconv</strong></span></span>
                </td>
                <td>
                  <p>
                    Updates <tt class="filename">/etc/passwd</tt> from
                    <tt class="filename">/etc/shadow</tt> and then deletes
                    the latter
                  </p>
                </td>
              </tr>
              <tr>
                <td>
                  <a id="sg" name="sg"></a><span class=
                  "term"><span><strong class=
                  "command">sg</strong></span></span>
                </td>
                <td>
                  <p>
                    Executes a given command while the user's GID is set to
                    that of the given group
                  </p>
                </td>
              </tr>
              <tr>
                <td>
                  <a id="su" name="su"></a><span class=
                  "term"><span><strong class=
                  "command">su</strong></span></span>
                </td>
                <td>
                  <p>
                    Runs a shell with substitute user and group IDs
                  </p>
                </td>
              </tr>
              <tr>
                <td>
                  <a id="useradd" name="useradd"></a><span class=
                  "term"><span><strong class=
                  "command">useradd</strong></span></span>
                </td>
                <td>
                  <p>
                    Creates a new user with the given name, or updates the
                    default new-user information
                  </p>
                </td>
              </tr>
              <tr>
                <td>
                  <a id="userdel" name="userdel"></a><span class=
                  "term"><span><strong class=
                  "command">userdel</strong></span></span>
                </td>
                <td>
                  <p>
                    Deletes the given user account
                  </p>
                </td>
              </tr>
              <tr>
                <td>
                  <a id="usermod" name="usermod"></a><span class=
                  "term"><span><strong class=
                  "command">usermod</strong></span></span>
                </td>
                <td>
                  <p>
                    Is used to modify the given user's login name, User
                    Identification (UID), shell, initial group, home
                    directory, etc.
                  </p>
                </td>
              </tr>
              <tr>
                <td>
                  <a id="vigr" name="vigr"></a><span class=
                  "term"><span><strong class=
                  "command">vigr</strong></span></span>
                </td>
                <td>
                  <p>
                    Edits the <tt class="filename">/etc/group</tt> or
                    <tt class="filename">/etc/gshadow</tt> files
                  </p>
                </td>
              </tr>
              <tr>
                <td>
                  <a id="vipw" name="vipw"></a><span class=
                  "term"><span><strong class=
                  "command">vipw</strong></span></span>
                </td>
                <td>
                  <p>
                    Edits the <tt class="filename">/etc/passwd</tt> or
                    <tt class="filename">/etc/shadow</tt> files
                  </p>
                </td>
              </tr>
              <tr>
                <td>
                  <a id="libshadow" name="libshadow"></a><span class=
                  "term"><tt class="filename">libshadow</tt></span>
                </td>
                <td>
                  <p>
                    Contains functions used by most programs in this package
                  </p>
                </td>
              </tr>
            </tbody>
          </table>
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