Hey, You can gain knowledge by reading various seo guides online. The one i would suggest you to read is http://searchengineland.com/. All the best!
That's right! Go to Google Webmaster and read up on their guidelines to rank first on their search engine. I remember they have this PDF report on you can optimize your site for the Google Search Engine. That would really give you the basics, from there on you can go to SEOMoz. They have excellent tutorials for beginners. Hope that helps. Have a good day!
There are many sites and blogs available on the internet which are help to learn seo basic to advance level. Some of good sites are here: For Basic to advance read this 2 website. It's really helpful you http://www.seomoz.org/learn-seo http://www.quicksprout.com/2013/01/24/the-advanced-guide-to-seo/ For seo update read below sites http://www.seroundtable.com/ http://searchengineland.com/ http://www.searchenginejournal.com/ Fresher and Experiance SEO person read this forum: http://forums.digitalpoint.com/ http://www.warriorforum.com/
SeoMoz beginner guide worth a look: http://www.seomoz.org/dp/download-the-pdf-version-of-the-beginners-guide-to-seo