User settings
You can visit your user's settings page by navigating through the web interface (under your avatar's drop-down list) or by visiting https://github.com/settings/profile directly:

For example, here is what my settings landing page looks like:

We are going to analyze the most important settings GitHub provides.
Profile
Under Personal settings
, you can see various options that you can customize to your liking.
The Profile
settings is where you can fill in your personal information so that people know who you are. Consider it like socialization. After all, GitHub is the Facebook of geeks.
All the profile information is optional to fill in. You can see what this will look like by visiting your username page at https://github.com/<username>
.
Setting up multiple emails
Every commit is associated with an email address and GitHub uses the email address you set in your local Git configuration to associate commits with your GitHub account. There is no limit to the emails that you can add...