file_upload.html

<html>
<head>
    <meta http-equiv="content-type" content="text/html; charset=UTF-8" />
</head>
<body>

<form action="http://192.168.137.33/upload_file.cgi" method="post"
enctype="multipart/form-data">

<div>
    <label for="file">Filename:</label>
    <input type="file" name="file1" id="file" /> 
    <br />
</div>

<div>
    <label for="file">Filename:</label>
    <input type="file" name="file2" id="file1" /> 
    <br />
</div>

<input type="submit" name="submit" value="Submit" />
</form>

</body>
</html>