svn log --username USER (find the logs of specified user)
svn copy url_src url_des -m "some message" (create a copy(or branch) from url_src with some messages.)
svn delete url (remove the workcopy from the repository with url)
svn log --username USER (find the logs of specified user)
svn copy url_src url_des -m "some message" (create a copy(or branch) from url_src with some messages.)
svn delete url (remove the workcopy from the repository with url)