When it is set "view items as grid of icons" you just right-click and open in terminal. However, when it is set "viewing items as list" and the page is full of files, it's not possible to find an empty space to right-click and open in terminal.
- Ubuntu – Nautilus context menu for current directory when there’s lots of files / “Open in Terminal”
- Ubuntu – How to enable ‘open terminal here’ from nautilus when in ‘list’ (not tiled) mode
- Ubuntu – How to get the non-file rightclick menu when files is in list view
- Ubuntu – How to create new folder in Files/Nautilus