Playing around with SVN.
Run svn status to see what's up.
Run svn add <filename> to put files/directories under version control.
Run svn diff to see modifications.
Run svn commit -m "<message>" to commit the new version of your file to the repository.
Run svn update to bring your working copy “up to date” with the repository.
Run svn copy ^/trunk ^/branches/<branch> -m "<message>"