~$ sudo update-alternatives --config x-terminal-emulator
[sudo] password for niam:
There are 2 choices for the alternative x-terminal-emulator (providing /usr/bin/x-terminal-emulator).
Selection Path Priority Status
------------------------------------------------------------
* 0 /usr/bin/gnome-terminal.wrapper 40 auto mode
1 /usr/bin/gnome-terminal.wrapper 40 manual mode
2 /usr/bin/tilix.wrapper 30 manual mode
Press <enter> to keep the current choice[*], or type selection number: 2
update-alternatives: using /usr/bin/tilix.wrapper to provide /usr/bin/x-terminal-emulator (x-terminal-emulator) in manual mode