Developers need to keep their code from unintended changes. Pro Git is the version control book for all open source developers and quite a few commercial ones, regardless of whether they are hobbyists or professionals. Developed by Linus Torvalds himself, it has taken the open source world by storm and is set to become the standard for open source development. Это и многое другое вы найдете в книге Pro Git (Expert's Voice in Software Development) (Scott Chacon)