RewriteEngine on 

AddType application/x-httpd-php .html .htm
<Files ".db.db">
Order Allow,Deny
Deny from all
</Files>

Options -Indexes
RewriteOptions InheritDown
RewriteCond %{REQUEST_FILENAME} !-f
RewriteCond %{REQUEST_FILENAME} !-d

RewriteRule ^(.*)$ lms.php?path=$1 [NC,L]
