My webhosting company doesn't allow me to set vhost.

I just can upload the files to "public_html"

I try to setup the following .htaccess at public_html folder.
It shows page not found.

But I can access the page via http://www.abc.com/public/.

My web hosting server works fine for Mini1 for the following .htaccess
RewriteEngine on
RewriteRule ^(.*) public/$1 [L]

It does not work for Mini2