eshell-scroll-to-bottom-on-input

eshell-scroll-to-bottom-on-input is a variable defined in `esh-mode.el'.
Its value is

nil

Documentation:
Controls whether input to interpreter causes window to scroll.
If nil, then do not scroll. If t or `all', scroll all windows showing
buffer. If `this', scroll only the selected window.

See `eshell-preinput-scroll-to-bottom'.

You can customize this variable.