The docker init command is a feature exclusive to Docker Desktop, available on Windows and macOS. It helps users quickly set up a project by generating a Dockerfile and other necessary files automatically. However, this command is not part of the core Docker Engine used in server environments or Linux systems.

In standard Docker (outside of Docker Desktop), developers need to manually create Dockerfiles and configurations. Docker Engine focuses on managing containers using core commands like docker run and docker build. So, if you’re working on a server or in a non-Desktop environment, docker init is unavailable.

Remember, docker init is designed to simplify project setup on local machines but isn’t part of Docker’s core functionality for production environments.