Git is a distributed version control system.
Git is a free sofeware distributed under the GPL
Git has a mutable index called stage.
Git tracks changes of files.
create a new branch called "dev" is fast.
Add a new line on the branch "master".
create a new branch named "feature1" to test the problem when merging the branches.
conflict fixed.
Add a new line in textbook.
Add a new lint in vim.