Tryag File Manager

//etc/xdg/menus/preferences.menu

<!DOCTYPE Menu PUBLIC "-//freedesktop//DTD Menu 1.0//EN"
 "http://www.freedesktop.org/standards/menu-spec/1.0/menu.dtd">

<Menu>
  <Name>Preferences</Name>
  <Directory>Settings.directory</Directory>

<LegacyDir>/usr/share/gnome/apps</LegacyDir>
  <LegacyDir>/etc/X11/applnk</LegacyDir>

<DefaultAppDirs/>
  <DefaultDirectoryDirs/>

<DefaultMergeDirs/>

<Include>
    <And>
      <Category>Settings</Category>
      <Category>X-Red-Hat-Base</Category>
      <Not>
        <Or>
          <Category>System</Category>
	  <Category>Accessibility</Category>
        </Or>
      </Not>
    </And>
  </Include>

<Exclude>
      <Filename>redhat-userpasswd.desktop</Filename>
  </Exclude>

<Menu>
    <Name>Accessibility</Name>
    <Directory>Settings-Accessibility.directory</Directory>
    <Include>
      <And>
        <Category>Settings</Category>
        <Category>Accessibility</Category>
        <Not>
          <Or>
            <Category>System</Category>
          </Or>
        </Not>
      </And>
    </Include>
  </Menu>

<Menu>
    <Name>MorePreferences</Name>
    <Directory>Settings-More.directory</Directory>
    <Include>
      <And>
        <Category>Settings</Category>
        <Not>
          <Or>
            <Category>System</Category>
            <Category>X-Red-Hat-Base-Only</Category>
            <Category>X-Red-Hat-Base</Category>
          </Or>
        </Not>
      </And>
      <Filename>gnome-gconf-editor</Filename>
    </Include>
  
    <Exclude>
      <Filename>redhat-userinfo.desktop</Filename>
      <Filename>gnome-gdmphotosetup.desktop</Filename>
    </Exclude>

</Menu>   
</Menu>