Changes

When you first boot from a CentOS installation you will most likely be presented with a Login Screen similar to the one shown in the following figure (though the appearance and layout of the screen changes from one release of CentOS to the next):

This screen has a number of options and text fields that give the user some level of control over what happens next:

Once valid login credentials have been provided, CentOS will initiate the login process and present the desktop. As with the login screen, the appearance of the desktop changes between CentOS releases, so do not be concerned if your desktop does not appear exactly as illustrated below:

Assuming you have now logged successfully into a Fedora GNOME Desktop session, and have a screen in front of you similar to the one shown above we can begin to explore the desktop in more detail in A Guided Tour of the Fedora GNOME Desktop.