this will be one of the best article for beginners http://www(.)seomoz(.)org/article/beginners-guide-to-search-engine-optimization all the best
There are so many things to know about SEO. The best thing to do is look around the forum and see what information is on the forum. There is a lot of great advice here that can help you out. The number one key for SEO is good original content! The rest you will just learn by being a member here and reading all you can.
http://www.seomoz.org/article/beginners-guide-to-search-engine-optimization http://www.e-marketing.org.uk/Articles/SEO-process.aspx
SEOMoz can have a lot of tips for SEO. If you still need some other tips then search it. Just type "free seo tips".
seobook.com signup into popular forums and read it daily..like ..DP, Searchenginwatch, webmasterworld etc etc etc
Here is a site that has a ton of info for you to glean. http://MySEOTip.com -- SEO Tips and Process. Tk
Thanks a lot all of you. I have read all articles, all were good. I have worked for one site but i did only -put meta tags -Html Validation(Image optimization and correct all errors) -Update Content. But now SEO Definition is totally different for me. Thanks.