Usage

Get mono family fonts installed

$ fc-list :scalable=true:spacing=mono: family

Set font in command line

$ xterm -fa 'Terminus' -fs 24 +sb
$ xterm -bg black -fg white -fa Inconsolata-10 +sb
$ xterm -bg black -fg white -fa DejaVu\ Sans\ Mono-18 +sb
$ xterm -bg black -fg white -fa fixed +sb

Permanent configuration

After every change to .Xresources perform the following command for changes to take effect

$ xrdb -merge ~/.Xdefaults