xcmsdb(1) on Linux
The text db2fd1866b8b, as Debian 12 (Bookworm), Debian 11 (Bullseye), Debian 10 (Buster), Debian 9 (Stretch) shipped it.
Device Color Characterization utility for X Color Management System
Flags it lists
-
-format -
-help -
-query -
-remove -
-version