find /etc -name "*font*"

/etc/fonts
/etc/fonts/conf.d/65-fonts-persian.conf
/etc/fonts/conf.d/69-unifont.conf
/etc/fonts/conf.d/29-replace-bitmap-fonts.conf
/etc/fonts/conf.avail/29-replace-bitmap-fonts.conf
/etc/fonts/conf.avail/65-fonts-persian.conf
/etc/fonts/conf.avail/69-unifont.conf
/etc/fonts/fonts.dtd
/etc/fonts/fonts.conf