Show all the branches

git branch

Create a new branch

git branch my_experimental_feature

Use that branch

git checkout my_experimental_feature

Pushing the new branch to a remote server

git push origin my_experimental_feature

Pulling that branch down on another machine

git pull origin my_experimental_feature

Listing all branches on other machine

git branch -a

Updating other machine

git pull origin my_experimental_feature

Just finishing up brewing up some fresh ground comments...