# az image > Manage custom Virtual Machine Images in Azure. > Part of `azure-cli` (also known as `az`). > More information: . - List the custom images under a resource group: `az image list --resource-group {{resource_group}}` - Create a custom image from managed disks or snapshots: `az image create --resource-group {{resource_group}} --name {{name}} --os-type {{windows|linux}} --source {{os_disk_source}}` - Delete a custom image: `az image delete --name {{name}} --resource-group {{resource_group}}` - Show details of a custom image: `az image show --name {{name}} --resource-group {{resource_group}}` - Update custom images: `az image update --name {{name}} --resource-group {{resource_group}} --set {{property=value}}`