
We will invoke the xdg-mime command from, which is a standard command and installed by default in most Linux distribution including Ubuntu. Here I want to share simple command to set Nemo as the default file manager in Ubuntu. If you want to integrate Nemo into Ubuntu system (as the default folder handler), you have to do it manually. When you install Nemo in Ubuntu, it doesn't set itself as the default file manager, Nautilus remains as the default one.

You can also easily install Nemo in Ubuntu if you want which is just apt-get away using a PPA (read more: How to install Nemo in Ubuntu), Nemo is the default file manager in Linux Mint, to handle folder and also handle the desktop. With rapid development and improvement, Nemo now become a full-featured file manager with lots of features, more customizable, and looks beter (in my opinion) than its original.

In the beginning, Nemo was just Nautilus 3.4 (Nautilus version which is forked to become Nemo) with different name. It is a fork of Nautilus, the GNOME's file manager. Nemo is a file manager application developed by Linux Mint team.
