"I’ve been meaning to set up a Version Control System for a long time now. VCS as a concept has been around for a while but recently a new paradigm in VCS called DVCS (for distributed version control system) has emerged. This new paradigm has cured or at least mitigated the warts of the old “centralized” version control systems and brought new benefits. [...] This article strives not to be concerned with the choice of a DVCS. The truth if you choose any of the 4 relatively high-profile DVCS systems that exist today (darcs, bazaar, mercurial, or git) you’ll be able to migrate between any of them later without too much difficulty if you change your mind..."