Many CLI tools, SDKs, and frameworks collect telemetry data by default. Each one has its own way to opt out:
You get the idea. There are too many, and they are all different.
A single, standard environment variable that clearly and unambiguously expresses a user's wish to opt out of any of the following:
Add the line above to your shell configuration file so it applies to all your terminal sessions:
If you develop tools that collect telemetry, analytics, or make non-essential network requests, please check for this variable: