Linux "fonts-conf" Command Line Options and Examples
Font configuration files

Fontconfig is a library designed to provide system-wide font configuration, customization and application access.FUNCTIONAL OVERVIEW Fontconfig contains two essential modules, the configuration module which builds an internal configuration from XML files and the matching module which accepts font patterns and returns the nearest matching font.


Usage:

/etc/fonts/fonts.conf
/etc/fonts/fonts.dtd
/etc/fonts/conf.d
$XDG_CONFIG_HOME/fontconfig/conf.d
$XDG_CONFIG_HOME/fontconfig/fonts.conf
~/.fonts.conf.d
~/.fonts.conf




Command Line Options:

-->
<dir>/usr/share/fonts</dir><dir>/usr/X11R6/lib/X11/fonts</dir><!--Accept deprecated 'mono' alias, replacing it with 'monospace'
fonts-conf --> ...
--
The example of the requirements of OR operator;If the 'family' contains 'Courier New' OR 'Courier'add 'monospace' as the alternative
fonts-conf -- ...