Git is a distributed version control system. Git is a free software distributed under the GPL. Git has a mutable index called stage. Git tracks changes of files. Creating a new branch is quick. Creating a new branch is quick AND simple hhhhhhhhhhhhhhhhhhhhhhhhhhhh. mmmmmmmmmmmmmmmmmmmmmmmmmmmmmmm add merge 11111111111 tortsssbbbbbb55555555555555555555555555555555555555555aaaaaaaaaaaaabbbbbbbbbbbbb121b 2222222222 3333333331213 55555