Killing X Server on Debian Stretch
You are Welcome! This Guide simply shows you Step-by-step How to Stop the X Server in Debian Stretch 9 Desktop/Server.
So with this procedure you should be able to Kill Debian 9 X Server and Go to Runlevel 3 Shell.

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Reboot Debian
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Then on the Grub Splash
Hit ‘e’ to Edit the Boot Command:
Contents
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