After booting your system you should arrive at the graphical login screen which is provided by KDM. This tool is also known as the KDM Display Manager, this is an alternative to XDM. The KDM display manager or login manager is simply used to authenticate system users.
After confirming a user login the display manager will then run the session manager. This display manager is also able to use new themes, and there are several to choose from.
If you feel that the default GNU screen tool is lacking in features or style you should try Byobu today. Byobu offers an attractive color scheme and a useful integrated system monitor.
Screen With Simplicity
Byobu will allow you to open multiple virtual shells in a single terminal window, and flip through them at will. This tool also makes screen a little more user-friendly. You can even set a message of the day which will be displayed when you login.