Updates with CLI

Author: roygara

includes/virtual-machines-disks-incremental-snapshot.md

@@ -106,6 +106,32 @@ You can also use Azure Resource Manager templates to create an incremental snaps
 }
 ```
 
+## CLI
+
+You can create an incremental snapshot with the Azure CLI using [az snapshot create](https://docs.microsoft.com/en-us/cli/azure/snapshot?view=azure-cli-latest#az-snapshot-create). An example command would look like the following:
+
+```bash
+az snapshot create -g <exampleResourceGroup> \
+-n <exampleSnapshotName> \
+-l <exampleLocation> \
+--source <exampleVMId> \
+--incremental
+```
+
+You can also identify what snapshots are incremental snapshots in the CLI with by using the `--query` parameter on [az snapshot show](https://docs.microsoft.com/en-us/cli/azure/snapshot?view=azure-cli-latest#az-snapshot-show). You can use that parameter to directly query the **SourceResourceId** and **SourceUniqueId** properties of snapshots. SourceResourceId is the Azure Resource Manager resource id of the parent disk. **SourceUniqueId** is the value inherited from the **UniqueId** property of the disk. If you delete a disk and then create a disk with the same name, the value of the **UniqueId** property will change.
+
+Examples of either queries would look like the following:
+
+```bash
+az snapshot show -g <exampleResourceGroup> \
+-n <yourSnapShotName> \
+--query [creationData.sourceResourceId] -o tsv
+
+az snapshot show -g <exampleResourceGroup> \
+-n <yourSnapShotName> \
+--query [creationData.sourceUniqueId] -o tsv
+```
+
 ## Next steps
 
 If you haven't yet signed up for the preview and you'd like to start using incremental snapshots, please email us at [email protected] to get access to the public preview.