xrdb(1x) on Linux
The text 748003f9efe2, as Debian 1.1 (Buzz) shipped it.
X server resource database utility
Flags it lists
-
-Dname -
-Idirectory -
-Uname -
-all -
-backup -
-cpp -
-display -
-edit -
-global -
-help -
-load -
-merge -
-n -
-nocpp -
-override -
-query -
-quiet -
-remove -
-retain -
-screen -
-screens -
-symbols