How do i redirect file on http://domain.com/big.shtml to http://domain.com ?
On apache is
Redirect 301 /big.shtml http://www.domain.com/
How to do that on nginx?

Nevermind resolved.
Here is solution:
location /big.shtml {
root /path/of/domain/public_html;
rewrite /big.shtml http://www.domain.com permanent;
}