How do i change the terminal font?
Menu, Edit => Profile Preferences => General tab; uncheck Use the system fixed width font, and select the font you want.
For general xterm terminal, you need to create a file
Though, You did not mention what font you are using or what terminal you are referring, I am giving a general answer to change font in gnome-terminal.
I am giving two way to do this, though both are relatively close to each other
I am giving two screenshot below: