The dirtree mode not present installed using melpa

Question

My Emacs version is 25.2.2.

I installed dirtree using melpa. But M-x dirtree is not there.

Answer 1

Command dirtree is not marked for autoloading so you need do (require 'dirtree) first.

Or follow instructions provided in dirtree commentary section:

Put the following into your ~/.emacs:

(autoload 'dirtree "dirtree" "Add directory to tree view" t)