Add custom sh formatting. Add new command

pages/02.linux/xcp-ng/xe-cli/default.en.md

@@ -9,22 +9,44 @@ visible: true
 
 Show running VMs
 
+[shroot]
+
 ```sh
-xe vm-list --multiple power-state=running
+xe vm-list power-state=running
 ```
 
+[/shroot]
+
+Show only the names of running VMs
+
+[shroot]
+
+```sh
+xe vm-list power-state=running | grep "name-label"
+```
+
+[/shroot]
+
 Poweroff all VMs currently running
 
+[shroot]
+
 ```sh
 xe vm-shutdown --multiple power-state=running
 ```
 
+[/shroot]
+
 Start VM
 
+[shroot]
+
 ```sh
 xe vm-start uuid={VM UUID}
 ```
 
+[/shroot]
+
 ## Host reboot procedure
 
 Disable the host so that no new VM can be started on this host and so that the rest of the pool knows that the host was disabled on purpose.