Mastering Git: A Beginner's Guide introduces developers of all ages to the wonderful and useful world of Git.As far as software development is considered, the advent of Git has truly proven to be a milestone. If you are a software developer, you have probably already heard of Git. Its importance and functionality in the world of coding merits very high praise for a variety of reasons.Computers now have become very amenable machines. You can remove a significant section of the text from your work accidentally, but there is no need to panic. Simply use the Undo option and you're good.