a> - Remove a file or sub-directory</li>
  <li><a href="doc/rename.html">f_rename</a> - Rename/Move a file or sub-directory</li>
  <li><a href="doc/chmod.html">f_chmod</a> - Change attribute of a file or sub-directory</li>
  <li><a href="doc/utime.html">f_utime</a> - Change timestamp of a file or sub-directory</li>
  <li><a href="doc/mkdir.html">f_mkdir</a> - Create a sub-directory</li>
  <li><a href="doc/chdir.html">f_chdir</a> - Change current directory</li>
  <li><a href="doc/chdrive.html">f_chdriv