Remove index.php in codeigniter 2.1.0

Question

I tried everything on google related to removing index.php from URL in codeigniter but no solution worked for me I am using codeigniter version 2.1.0 How I can remove index

Answer 1

In addition of the .htaccess file given by Robert Stanley (see his answer), go to application/config/config.php, look for $config['index_page'] = "index.php"; and replace it with $config['index_page'] = "";