Building Enterprise JavaScript Applications

The three tracked states

To be more precise, the tracked state can be further subdivided into three substates: modified, staged, and committed. Our README.md file is in the committed state.

Git will pay attention to all the tracked files; if we modify any of them (which includes deletions and renames), they will change their state from committed to modified:

$ echo "A very simple user directory API with recommendation engine" >> README.md$ git statusOn branch masterChanges not staged for commit:  modified: README.md

Modified files, alongside any untracked files, will be listed when we run git status. Modified files can be committed in the same manner as untracked files:

$ git add README.md$ git commit -m "Update README.md"[master 85434b6] ...