Add extra form (edit article form) field at front end view.

[vishal22]

Hi Everyone,
I want to add extra field( like text input) on front end view of edit article form, which appear at add new article
as well as edit article.
and when am edit article, form will be fill with article value as joomla default edit article work.
can anybody tell me how i am add field at front end and edit article using these field using content plugin
or another way.

thanks in advance.