As you are familiar that backlinks are those links which link your site with other sites.This is the best way to increase the traffic of website
Blog committing is an easy way of making backlinks. You can make backlinks free of cost, using blog committing. Make it sure that the site on which you are doing blog committing is do follow. The link on the do follow will be termed as do follow link. Blogger is a good platform of making backlinks.
You can give the link of your website by joining the forum. You can make backlinks by giving comments on your interested topics. Read the term & condition of forum, before posting.
It is the best way for making quality back links. Article should be unique. Ezine articles is the best article directory. You can submit your website in it, free of cost.
Social Brook Marking.
It gives you the permission of sharing links. You can share your links free of cost in these websites. You have to get yourself registered before sharing the link.