turn off open new folder in a new window

In Linux you have a very bad experience. That is when you click a folder. it's content is open in a new window. This is pretty annoying. Below is the command to get rid of it. I have used and it works perfectly fine.
So how to execute command in Linux, If you don't know
just open an terminal and run below command

gconftool-2 -s '/apps/nautilus/preferences/always_use_browser' --type bool true