Russ -
The trick is to put the --no-quit after the eval not before it. I was
putting it in the wrong place.
This should work:
./pharo Pharo.image eval --no-quit "OSWindowWorldMorph new open"
This works with the latest headless VM and Pharo 9.
Hope this helps.
Ken
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Sent from: http://forum.world.st/Pharo-Smalltalk-Users-f1310670.html