版本控制是管理信息修改的艺术，它一直是程序员最重要的工具，程序员经常会

花时间作出小的修改，然后又在某一天取消了这些修改，想象一下一个开发者并行工

作的团队 - 或许是同时工作在同一个文件！- 你就会明白为什么一个好的系统需要

管理潜在的混乱。

-Version control is the art of management information changes, it has been the most important tool for programmers, programmers often spend their time making small changes, and then canceled one day of these changes, imagine a team of developers working concurrently- may also work in the same file!- You ll understand why a good system to manage the potential chaos.