Yes, dulplicate is what you want.
I've been doing it for years on Windows. Have either my work (Thinkpad 480S) or personal (Acer Aspire 5) laptops setup like that and then change the monitor input as required (or do Picture-In-Picture).
@Greenbank started
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Yes, dulplicate is what you want.
I've been doing it for years on Windows. Have either my work (Thinkpad 480S) or personal (Acer Aspire 5) laptops setup like that and then change the monitor input as required (or do Picture-In-Picture).