Search:

Reverse SEO means to decrease the position of any ranked result in search engines.

Analytics help us to view the traffic of your website and webmaster helps you to manage your website.

The work done against the rules of Search engines are called spammy or black hat SEO.

There are only some companies who create its own forum or communities pages but i thing these kind of forums are highly informative.

Yes nofollow links are effective too search engines ALSO considered nofollow links and they have its own importance in the eye of search engines.

1 SBM
2 Dir.
3 Guest posting
4 Forum postings
Are the techniques that very helpful in SEO.

Ii would like to use Linux OS as because its fast and risk free.