Hello World

git commit -a -m "Message" This command adds all modified files, but not new ones, to a commit immediately.

If someone else already commit smth, pull it with git pull -r Now you start resolving conflicts. If there's a conflict, you gotta deal with it. Keep doing that till you're done --> Happiness continue with "git rebase --continue" then you can pmossibly change the commit message then you can push git log exists as a log of what happened