It is better to call GUI – 2.5 D

The advantage of 1D text interfaces is – it allows you to write loops easily, which allows for automation. Text also makes it easier to load predefined configurations. It is a simpler programming model, making it easy to extend. With UI however you get

1. Better ways of finding of all the operations, increases chunking
2. Don’t have to memorise when the UI can suggest
3. Text selections are difficult to do with sed
4. Live Validation
5. Drag and drop and touch are how many real world objects work