install dolphin explorer on ubuntu(Gnome)

1. sudo apt-get install dolphin
2. Set Dolphin as default file manager in Cinnamon/Gnome
sudo apt-get install exo-utils3. use exo-utils run commnad:exo-preferred-applications -c 

4. click to Utilities
File Manager Change to: Other and typing command: dolphil "%$"

ref. saurab.com.np