CmdID / Commands
X window server's resource database utility for Unix-like systems. tldr-pages
On Linux
Opens CmdID with your command. It is read in your browser and sent nowhere.
Start xrdb in interactive mode
xrdb
Load values (e.g. style rules) from a resource file
xrdb -load ~/.Xresources
Query the resource database and print currently set values
xrdb -query