'Adding a CMD Tool to a Node Server

I would like to build some kind of Server (probably written in NodeJS) and would like to have the ability to configure it while running. For that, I would like to have a CMD tool (if possible, also written in NodeJS), which would then pass the changes to the server. Is this possible? And if so, what terms should I look for while researching?

I know this is kinda weird, so thanks in advance!



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