Branches
Settings
Set username:
git config --global user.name "MyName" # global settings
git config --local user.name "My Name" # just for the current repository
Set mail address:
git config --global user.email "my@mail.address"
git config --local user.email "my@mail.address"
Set default...
A beatufil page for Git How-To's and Use-Cases. http://gitready.com/