Mac has background-color -theme adjusting. During summer, I realize why it would be so super-cool: it is hard to see anything with standard settings when there are so much sun-light. So how can I adjust the background-color settings and font similarly to Mac console?
gnome-terminal is extensively customizable. Go to
Edit...Profile Preferences, and you can change the following:
Backgrounds (color, transparency and even a "wallpaper")
As for saving and setting custom themes, they're just called Profiles here. You can save, switch and set the default from