While I was typing and researching this question, I found the solution, so I am posting anyway so maybe it helps somebody.
On a Linux device, which of the following commands will start the Nessus client in the background so that the Nessus server can be configured?
A. nessus +
B. nessus *s
C. nessus &
D. nessus -d
The solution is here
https://granneman.com/tech/security/analyticaltools/nessushowto
But not here.
https://docs.tenable.com/nessus/commandlinereference/Content/PDF/CommandLineReference.pdf
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