How are command-line GUIs made? [closed]

Question

I've always wanted to know how CL GUIs like top or nano or vi are constructed? I have a need to actually make one and am looking for a guide or tutorial on the general idea behind them.

Answer 1

Here is a bunch of them.

Also there is a list.

• CDK
• Dialog
• ncurses
• Newt, a widget-based toolkit
• PDCurses
• SMG$
• Turbo Vision

Answer 2

You could start by reading about ncurses, it’s a very well-known library to draw on the terminal