Nemo is a fork of GNOME Files. It is also the default file manager of the Cinnamon desktop. Nemo is based on the Files 3.4 code. It was created as a response to the changes in Files 3.6 which saw features such as type ahead find and split pane view removed.
Ctrl-L will toggle between ‘breadcrumbs’ path bar, and location entry, which will show you the current path.
Nemo Sidebar customize