如何从FTP中脱离自己以支持版本控制

I have heard that uploading your website with FTP is now for n00bs, but it's the only way I've known how for the 8 or so years I've been building websites. Apparently all the buzz now is using a version control system, like SVN or Git, and somehow using SSH to upload only the files that have changed (if I understand correctly). I'm wondering if someone could explain or point me to a "comprehensive" guide. What do I need to install, and will my shared host (Dreamhost) be compatible? I currently develop on a WAMP environment. I have never used version control and wouldn't know where to start. I usually develop with a framework such as CakePHP or Zend.I have heard that uploading your website with F