Requirements
Microsoft must be registered before utilizing Azure Cloud Shell.resource provider for CloudShell. Azure resource access is controlled by provider namespaces, which need to be set up for your subscription. For every subscription, you just need to register the namespace once.

Take the following actions to see all available resource providers and to see the status of your subscription's registration:

1. Open the Azure portal and log in.
2. Click on the Azure portal menu and look for Subscriptions. Choose it from the list of possibilities.

3. To display a subscription, select it.

4. Choose Resource providers from the Settings menu on the left.
   

5. To find the resource provider, type cloudshell into the search box.
   

6. From the list of providers, pick the Microsoft.CloudShell resource provider register.
   

7. To switch the status from unregistered to registered, select Register.
   

Microsoft Azure Cloud Shell key features

• Automatic Authentication
  Bid farewell to the headache of a password! To keep things safe, Cloud Shell handles your account authentication for PowerShell and Azure CLI, logging you out after 20 minutes of inactivity.

• Session Persistence
  Don't lose your files anymore! Your home directory is stored as a.img file when you run Cloud Shell since it automatically establishes a connection to your Azure file share. Just keep in mind that files outside of your home directory won't remain there; for important items, such as SSH keys, adhere to best practices.

• Access from Anywhere
  You can access Azure through a browser on your phone or desktop. Because every session is verified, you can use tools like Azure mobile apps to have a sleek CLI experience from anywhere.

• Languages support
  Working on your projects is made easy by Cloud Shell's compatibility with popular programming languages like Python,.NET, and Node.js, as well as its abundance of useful CLI tools.

• Azure Drives Navigation
  Navigating through your Azure resources is similar to exploring your files because you are immediately thrown into Azure Drive when you use Cloud Shell. Any modifications you make are immediately reflected.

• Managed Security and Authentication
  With support for the languages and tools you are familiar with, Cloud Shell, which is managed by Microsoft, ensures safe access to your resources.

• Easy Deployment and Pricing
  Code deployment via Azure PowerShell or CLI is made simple with the new Monaco Editor in Cloud Shell, which makes it simple to create and edit files.
  The best part is that Cloud Shell is free! Although there may be regular fees associated with using Azure Files, you can optimize its advantages by investing in Azure training and certification.