<meta name="robots" content="index,follow"/>
    <meta name="robots" content="noarchive"/>

    Please suggest me friends, i know the above script, but i want to know the below script...

index/noindex - Store this page for indexing, or not
follow/nofollow - Follow the links in the current page, or not
archive/noarchive - Keep a cache of this page, or not

Thanks to solve my problem pritaeas..now i got a clear idea on that...

can any one tell me how to write Robots.txt file n major attribute of that.

I don't know anything about this... Is there anyone to tell me about that...