cups-config
Show technical information about your CUPS print server installation. tldr-pages
On several platforms
Several platforms
Show where CUPS is currently installed
cups-config --serverbinIdentifyShow the location of CUPS' configuration directory
cups-config --serverrootIdentifyShow the location of CUPS' data directory
cups-config --datadirIdentifyDisplay help
cups-config --helpIdentifyDisplay version
cups-config --versionIdentify