# 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