<?php
if($this->isLimitCurrent(“all”)):?>
<a href=”<?php echo $this->getLimitUrl($this->getDefaultPerPageValue());?>”>
View Less
</a>
<?php
// if t last page number is greater than 1
elseif ($this->getLastPageNum()>1): ?>
<a href=”<?php echo $this->getLimitUrl(‘all’)?>” title=”<?php echo $this->__(‘View All Products’) ?>”>
<?php echo $this->__(‘View All’) ?>
</a>
<?php endif;?>
Another one Link :
http://www.magentocommerce.com/wiki/groups/248/display_products_on_home_page
All Products Showing Home Page :
{{block type=”catalog/product_list” name=”home.catalog.product.list” alias=”products_homepage” template=”catalog/product/list.phtml”}}
Single Category All Products :
{{block type=”catalog/product_list” name=”home.catalog.product.list” alias=”products_homepage” category_id=”4″ template=”catalog/product/list.phtml”}}