Xdmx(1) on Linux
The text 33c03c89116d, as Debian 9 (Stretch) shipped it.
Distributed Multi-head X server
Flags it lists
-
-addremovescreens -
-config -
-configfile -
-depth -
-display -
-fontpath -
-glxfinishswap -
-glxsyncswap -
-ignorebadfontpaths -
-input -
-noglxproxy -
-noglxswapgroup -
-nomulticursor -
-nooffscreenopt -
-norender -
-nosubdivprims -
-nowindowopt -
-noxkb -
-param -
-syncbatch -
-xinput