In Git 1.7.0 and later, you can checkout a new branch
`git checkout -b <branch>`
Edit files, add and commit. Then push with the -u (short for --set-upstream) option:
`git push -u origin <branch>`
Git will set up the tracking information during the push.

In Git 1.7.0 and later, you can checkout a new branch:
git checkout -b <branch>
Edit files, add and commit. Then [push with the `-u` (short for `--set-upstream`)](https://git-scm.com/docs/git-push) option:
git push -u origin <branch>
Git will set up the tracking information during the push.