How can I change my terminal from x-term to mate-terminal when I click open terminal here?
System -> Preferences -> Personal -> Preferred Applications
Mickey 
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It did not change. Though it does work with Caja.
I use Thunar as my file manager if that makes a difference.
Try this:
gsettings set org.gnome.desktop.default-applications.terminal exec /usr/bin/mate-terminal
gsettings set org.gnome.desktop.default-applications.terminal exec-arg "-x"Yes, Thunar is not part of MATE, so it may not respond to MATE's settings. I don't have it installed, but IIRC you can change it in the menu, something like Edit → Custom actions
gsettings set org.gnome.desktop.default-applications.terminal exec /usr/bin/mate-terminal
gsettings set org.gnome.desktop.default-applications.terminal exec-arg “-x”
Before I try this, is it reversible?
I have this as custom action. Open terminal here
exo-open --working-directory %f --launch TerminalEmulator
You can first check what value you have currently by running:
gsettings get org.gnome.desktop.default-applications.terminal exec
Then you can overwrite it with the command that I answered earlier. If you want to get back to previous value, just type whatever the above command returned after exec in my previous command.
But as elcste said, your file manager might be unaffected even after altering this value.
You could either find our how to change Xfce’s default terminal (exo-open is Xfce’s command to open the default program) or just change it to
mate-terminal --working-directory=%f
2 Likes
You get the gold star.
It worked perfect. 
2 Likes