Enable open in terminal option for elementaryOS file manager

This is how to add an "Open terminal here" entry to the eOS file manager.

Create /usr/share/contractors/openinterminal.contract with these contents:

[Contractor Entry]
Name=Open terminal here
Icon=terminal
Description=Open terminal here
MimeType=inode;application/x-sh;application/x-executable;
Exec=io.elementary.terminal -w %U
Gettext-Domain=io.elementary.terminal

Restart the terminal, and voilla!

Set default terminal in Nemo outside Cinnamon

Replace alacritty with your favorite terminal emulator.

gsettings set org.gnome.desktop.default-applications.terminal exec alacritty

gsettings set org.cinnamon.desktop.default-applications.terminal exec alacritty

Set default apps using the commandline

To look up what the current default is:

xdg-mime query default inode/directory

To set the new default:

xdg-mime default nemo.desktop inode/directory