Git is a distributed version control system.
Git is free software distributed under the GPL.
Git has a mutable index called stage.
Git tracks changes of files.
Git revise.
Git vi readme.txt keyboard insert revise files.
Git 1.Esc turn to command 2. shift + :Ensure that : is in English 3. input wq ;quit vi
Creating a new branch is quick and simple.
Git add merge.
Git is a free software.