http://git-scm.com/book/en/Git-Basics-Working-with-Remotes
$ git remote add pb git://github.com/paulboone/ticgit.git
$ git remote -v
origin git://github.com/schacon/ticgit.git
pb git://github.com/paulboone/ticgit.git$ git fetch pb
http://git-scm.com/book/en/Git-Basics-Working-with-Remotes
$ git remote add pb git://github.com/paulboone/ticgit.git
$ git remote -v
origin git://github.com/schacon/ticgit.git
pb git://github.com/paulboone/ticgit.git$ git fetch pb