>git show HEAD~4:index.html > oldIndex.html
-or-
>git show a7063efcd:index.html > oldIndex.html
-or-
>git checkout <branch_name> index.html
>git checkout feature/awesome&new
>git rebase development
putting changes in development underneath the current feature branch
>git rebase ad7d7a35290b^ --interactive
rewrite history. move commits up and down.