In order to view all managed disks that start with the disk name, type:

az disk list --query "[?starts_with(name,'disk')].name" --output tsv

In order to list all resource groups that start with rg, for example, type:

az group list --query "[?starts_with(name,'rg')].name" --output tsv

In order to check the size of the managed disk in Azure, type:

az disk show --resource-group yourresourcegroup --name yourdiskname --query diskSizeGb

In order to view current disk performance SKU in Azure, type:

az disk show --resource-group yourresourcegroup --name yourdiskname --query sku

In order to view all properties of a managed disk in Azure type:

az disk show --resource-group yourresourcegroup --name yourdiskname