

If you use xrdb manually, you can put such a file anywhere you want (for example, ~/.config/Xresources). Xresources is just a naming convention, xrdb can load any file.

Xresources file, and keep your old resources: xrdb -merge ~/.Xresources Xresources file, and throw away your old resources: xrdb ~/.Xresources The resources will be stored in the X server so the file does not need to be read every time an app is started.

altering preferences on low-level X applications (xclock (xorg-xclock), xpdf, rxvt-unicode, etc.).setting DPI, antialiasing, hinting and other X font settings.They can be used to set X resources, which are configuration parameters for X client applications. Xresources and Xdefaults are user-level configuration dotfiles, typically located at ~/.Xresources and ~/.Xdefaults. They are used in conjunction with or as an alternative to command line parameters and configuration files. In the X Window System, the X resources are parameters of computer programs such as the name of the font used in the buttons, the background color of menus, etc.
