In order to update a current Azure disk performance SKU, from Standard_LRS to Premium_LRS, for example, type:

az disk update --name yourdiskname --resource-group yourresourcegroup --sku Premium_LRS

In order to be able to delete all Azure managed disks that start with mydisk, for example, you’ll first need to run the Azure Bash shell instead of PowerShell and then type:

az disk list --query "[?starts_with(name,'mydisk')].[name]" | xargs -L1 bash -c 'az disk delete --resource-group yourresourcegroup --name $0 --yes'

In order to delete all Azure storage accounts that start with mystorage, for example, you’ll first need to run a Bash shell instead of PowerShell. Then, type:

az storage account list --query "[?starts_with(name,'mystorage')].[name]" --output tsv | xargs -L1 bash -c 'az storage account delete --name $0 --yes'

In order to delete a storage account in Azure, type:

az storage account delete --resource-group --name yourstoragename

In order to create a storage account in Azure, type:

az storage account create --resource-group yourresourcegroup --name yourstoragename