I am looking for a way to make tilda my default terminal. It would be achieved with 
# update-alternatives --config x-terminal-emulator
There are 5 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/koi8rxterm               20        manual mode
  3            /usr/bin/lxterm                   30        manual mode
  4            /usr/bin/uxterm                   20        manual mode
  5            /usr/bin/xterm                    20        manual mode
Tilda does not appear in this list though properly installed. 
How is this list generated and how do I add /usr/bin/tilda in it?
