Make a Linux "GUI" in the command line

How to make a Linux program in the Command Line Interface who display a nice user interface?

For example when I use "wget" to download a file from internet, I can see the download advancement in the Command Line Interface. How can I do that?

How do I program a Linux GUI?

The creation of applications in Linux can be done through various methods. But, the most efficient way of creating a GUI application in Linux can be done through PyGObject in Python. PyGObject is the next generation from the PyGTK library in Python, we can say that PyGObject = Python + GTK3.

Is there a GUI for Linux?

There are plenty of GUI options in Linux, unlike some operating systems that leave you with only one option. There are some good reasons why there are so many different types of GUIs in Linux.

Does Linux use GUI or command line?

An operating system like UNIX has CLI, While an operating system like Linux and windows have both CLI and GUI.

ncurses is a popular option, there are APIs for lots of programming languages.