apache rewrite
RewriteEngine on
#RewriteCond %{REQUEST_URI} \.php$
#RewriteRule (.*)\.php$ http://www.test.com/$1 [R]
RewriteCond %{HTTP_HOST} ^www.linux.com [NC]
RewriteRule ^/(.*) http://www.test.com/$1 [L]
#RewriteCond %{REQUEST_URI} \.php$
#RewriteRule (.*)\.php$ http://www.test.com/$1 [R]
RewriteCond %{HTTP_HOST} ^www.linux.com [NC]
RewriteRule ^/(.*) http://www.test.com/$1 [L]