I used godaddy free hosting,
and the web can open the gzip_compression when i used windows,
but now it only display
"?" after switch to linux and open the gzip_compression.

and it is ok when i amend the "1" to"0" in gzip_compression.php



gzip_compression.php
<?php

/**

* if gzip_compression is enabled, start to buffer the output

* see {@link http://www.zen-cart.com/wiki/index.p...als#InitSystem wikitutorials} for more details.

*

* @package initSystem

* @copyright Copyright 2003-2005 Zen Cart Development Team

* @copyright Portions Copyright 2003 osCommerce

* @todo ICW note some of this can go if we move to php>4.2

* @license http://www.zen-cart.com/license/2_0.txt GNU Public License V2.0

* @version $Id: init_gzip.php 2753 2005-12-31 19:17:17Z wilt $

*/

if (!defined('IS_ADMIN_FLAG')) {

die('Illegal Access');

}

if ( (GZIP_LEVEL == '0') && ($ext_zlib_loaded = extension_loaded('zlib')) && (PHP_VERSION >= '4') ) {

if (($ini_zlib_output_compression = (int)ini_get('zlib.output_compression')) < 1) {

if (PHP_VERSION >= '4.0.4') {

ob_start('ob_gzhandler');

} else {

/**

* include the gzip compression functions

*/

include(DIR_WS_FUNCTIONS . 'gzip_compression.php');

ob_start();

ob_implicit_flush();

}

} else {

@ini_set('zlib.output_compression_level', GZIP_LEVEL);

}

}

?>