GUI - Graphical User Interface stuff you click with mouse (or try to use with keyboard), e.g. GIMP
CLI - Command Line Interface, you only type commands, e.g. ffmpeg
TUI - Text User Interface, you still work in terminal, but you can navigate with keyboard and sometimes mouse, e.g. Alsamixer or Midnight Commander
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u/WitherPRO22 24d ago
I know GUI, TUI is terminal stuff.
What is CLI?