How to tell Google not to provide a Cache link?

Google says that you can tell it to not provide a "cached" link in its search results for a page that it is cr开发者_运维知识库awling/indexing.

How do you tell it not to link to a cached version? Is it in a meta tag?

Yep, noarchive: http://www.google.com/support/webmasters/bin/answer.py?answer=79812

To be precise:

<meta name="robots" content="noarchive"/>