For those having problem with Step 2 installing oscommerce-2.2ms2 on Fedora Core 4 here is the solution:
Edit _/etc/httpd/conf/httpd.conf _replacing:
<Directory "/var/www/html"> ... AllowOverride None ... </Directory>
with<Directory "/var/www/html"> ... AllowOverride Options ... </Directory>
Create .htaccess file in _/var/www/html_with the following contents:
php_flag register_globals on php_flag register_long_arrays on