The AWS Command Line Interface (CLI) lets you run complex AWS operations from your local command line. Once you get the hang of how it works, you’ll discover that it can make things much simpler and more efficient

As an example, suppose you need to launch a half-dozen EC2 instances to make up a microservices environment. Each instance is meant to play a separate role and therefore will require a subtly different provisioning process. Clicking through window after window to launch the instances from the console can quickly become tedious and time-consuming, especially if you find yourself repeating the task every few days. But the whole process can alternatively be incorporated into a simple script that you can run from your local terminal shell or PowerShell interface using the AWS CLI

Installing and configuring the AWS CLI on Linux, Windows, or macOS machines is not hard at all, but the details might change depending on your platform

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