Hi Francisco ; nice to meet you, thank you for accepting my invite.
If you want to respond to someone that made a comment on your wall or you want to make a comment to a persons wall ( if you are friends with them ), juast click on that persons picture and it ill take you to their page. Then scrll down to their wall write something and click submit. There is alot of information and things to do here, like joining groups, discussion boards, making friends to network with, plus so much more, that can possibly help you find that govt / fed job. If you have any questons just leave a comment on either my wall or any of your friends walls and we will help you.