code:From then on, whenever you change that include, it will change immediately on all the pages that use it.<!--#include virtual="menu.inc"-->
code:Using a slash at the beginning of a relative URL (one without the full http://www.etc address) tells the server to start looking at the root and work down, so pages at /articles/2005/news/tuesday can use the same include code as pages in /sports.<!--#include virtual="/include/menu.inc"-->