how to remove index.php name in your address bar

how to remove index.php name in your address bar

this is very imporntant file in codeigniter
all role will be not be disabled somehow ;
download the following file and keep it in your codeigniter root folder
.htaccess
note first extract it and then keep it
now open your application/cofig.php file
and search for index.php if found remove this name and save it