Customize your username with an alias in OS X
OS X is an account-based system, in which individual users have their own accounts storing their own settings and data. When you set up a user account, the system will ask you for your name and then based on that will create a short username the system will use to identify your user account.
This short username is the true username of the account, but you can use the short name or your full name at the log-in window. Since the system initially generates it for you, it's easy to overlook the fact that you have the chance to … Read more
