SVN

reference

http://svnbook.red-bean.com/
https://subversion.apache.org/
https://tortoisesvn.net/

Git

TFS

Mercurial

###reference

• https://www.mercurial-scm.org/
  http://www.jianshu.com/p/7dddf0e9f1ef
  https://lostechies.com/joshuaflanagan/2010/09/03/use-gitk-to-understand-git/
  http://rogerdudler.github.io/git-guide/index.zh.html
  http://marklodato.github.io/visual-git-guide/index-zh-cn.html
  http://www.jianshu.com/p/331cd9fdeae7?hmsr=toutiao.io&utm_medium=toutiao.io&utm_source=toutiao.io
  https://segmentfault.com/a/1190000002918123
  https://www.atlassian.com/git/
  https://www.kernel.org/pub/software/scm/git/docs/git.html