You need to do this only once. The instructions here are very similar
to the instructions at http://help.github.com/forking/ — please see
that page for more detail. We’re repeating some of it here just to give the
specifics for the DIPY project, and to suggest some default names. If you don’t have a github account, go to the github page, and make one. You then need to configure your account to allow write access — see
the Log into your github account. Go to the dipy github home at dipy github. Click on the Fork button: Now, after a short pause and some ‘Hardcore forking action’, you
should find yourself at the home page for your own forked copy of dipy.Making your own copy (fork) of DIPY
Set up and configure a github account
Generating SSH keys
help on github help.Create your own forked copy of DIPY