# 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 {{[-g|--resource-group]}} {{resource_group}}` - Create a custom image from managed disks or snapshots: `az image create {{[-g|--resource-group]}} {{resource_group}} {{[-n|--name]}} {{name}} --os-type {{windows|linux}} --source {{os_disk_source}}` - Delete a custom image: `az image delete {{[-n|--name]}} {{name}} {{[-g|--resource-group]}} {{resource_group}}` - Show details of a custom image: `az image show {{[-n|--name]}} {{name}} {{[-g|--resource-group]}} {{resource_group}}` - Update custom images: `az image update {{[-n|--name]}} {{name}} {{[-g|--resource-group]}} {{resource_group}} --set {{property=value}}`