esh-help.el

This library adds the following help functions and support for Eshell:

• run-help function inspired by Zsh
• eldoc support

You can install it by using package-install via MELPA.

To use this package, add these lines to your .emacs file:

    (require 'esh-help)
    (setup-esh-help-eldoc)  ;; To use eldoc in Eshell

And by using M-x eldoc-mode in Eshell, you can see help strings for the pointed command in minibuffer. And by using M-x esh-help-run-help, you can see full help string for the command.