Recently I have started using Mercurial (also known as ‘hg’ which is the command line tool) for source control management (also known as version control system) for some of my projects. Most of the projects I deal with use Subversion which is sufficient for most needs. My first exposure to distributed source control management was Linus Torvald’s presentation on git at Google. In a nutshell, he rails on CVS (his initial intention was to design a system as “What Would CVS Never Do” [WWCCVSND] and he considers tarballs and patches as superior to CVS) and also sees Subversion as “the most...