Enthuware

Dear Forum,
I know that there is a way to launch the etsviewer.jar from the command prompt.
One way to launch etsviewer.jar is by double-clicking on the jar file.

There is also another way of launching etsviewer from the command prompt.
Question:
Whether you are on a Windows or Mac, what is the sequence of commands for launching
the etsviewer.jar from
1) bash on Mac or
2) Command Prompt of Powershell on Windows .

Thank You,
Tom Hauck
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Use the -jar option like this:
java -jar ./etsviewer.jar

(assuming that etsviewer.jar is in the current directory.)