You can redirect a page using a .htaccess (the most common example of a server side redirect)
Hava a look at this tutorial:
http://www.freewebmasterhelp.com/tutorials/htaccess/2
You can also use a meta refresh in your HTML code (tutorial:
http://www.htmlhelp.com/reference/html40/head/meta.html), but this isn't a good method and it's dissuaded by the W3C (use server side redirect instead).