Nemo is the default file manager app used in Linux Mint Cinnamon edition. Nemo is a fork of the Files app from GNOME, also widely known as "Nautilus". It is an excellent app which fits the requirements of a newbie as well as an advanced user. It is feature-rich, extensible and stable. By default, it refers to the Gnome Terminal app for the "Open in terminal" command. Let's see how to re-assign the command.