The study of how society manages its scarce resources. And Lord Robinson's 1932 definition is still valid: The science dealing with the utilization of scarce means capable of alternative uses. That is, the scarcity of resources is what underlies the study of economics.
Economics has been an integral part of the quest to understand society throughout modern times. It is not just about economizing or money. As a social science, economics studies human beings within their social environment and the institutions that frame individuals' decisions. Economic analysis can be applied to a multitude of aspects of life and society, from government spending, employment levels, and the level of environmental pollution to criminal activity, the number of children a family has, and whether a company expands its production line. Its scope includes the origin and operation of different economic systems over time, from market mechanisms to large national, regional, and international systems.
In fact, many distributions and/or desktop france email list environments have written their own greetings to give users a login screen that resembles their brand.
For example, Mint's Cinnamon desktop uses LightDM, but has its own greeter to give it a more Mint-like (or should I say, Cinnamon-like) look.
Linux Mint login screen based on LightDM
Take a look at the Kali Linux login screen:
Kali Linux login screen
If you like coding and tweaking, you can modify or code your own greeter to your liking.
Change display manager
You can change the display manager if you want. You must first install the display manager. You will see the option to change the display manager during the installation.