Vim tree view mode
In folder/file structure if you type
i you'll change the way you see the folders and files.
There are 4 different view modes and one of them is something like that:
../ my-app/ | app/ | bin/ | config/ | | environments/ | | | development.rb | | | production.rb | | | test.rb | | initializers/ | | locales/ | | application.rb | | boot.rb | | database.yml | | environment.rb | | routes.rb | db/
So yes, We don't need nerdtreeTweet