I love emacs but I just can't get the terminal/shell options it provides to work as smoothly as I can with a proper terminal emulator. What would be perfect is

I love emacs but I just can't get the terminal/shell options it provides to work as smoothly as I can with a proper terminal emulator. What would be perfect is if you could duplicate a terminal buffer for stdout/stderr but have the command line/stdin be in the mini buffer so as to leverage helm or ivy. To me, this would be nirvana.