Clone the virtual machine in the Oracle VM VirtualBox - Appuals.com
Creating a Windows 10 Virtual Machine using Oracle VirtualBox | Holowczak.com Tutorials
How To Clone (Copy) A VirtualBox .vdi [Quick Tip] ~ Web Upd8: Ubuntu / Linux blog
virtualization - Move Virtualbox VM with raw hard disk access? - Super User
Chapter 1. First Steps
Chapter 5. Virtual Storage
Chapter 1. First Steps
Snapshots and virtual machine cloning
Virtualization and Oracle VM Ubuntu VM in VirtualBox: How to increase the size of a disk and make small(er) exports for distribution - AMIS, Data Driven Blog - Oracle & Microsoft Azure
Increasing Virtual Disk Space for a Guest Machine Managed by Oracle VirtualBox | by Suraiya | Medium