A VirtualBox virtual machine overview
- VirtualBox is an open source virtual machine software.
- VirtualBox can be said to be the most powerful free virtual machine software. It not only has rich features, but also has excellent performance. It can virtualize the system with Windows, Linux, OpenBSD, Solaris, and even Android4.0 and other operating systems.
Two virtual machine software installation
The official website of VirtualBox is: https://www.virtualbox.org, readers can download the latest VirtualBox from this website, and then install the Linux operating system on the software. It is very simple to install the virtual machine software under Windows. Tell me again.
3 Create a virtual machine system
1 Create a new virtual machine.
2 Configure the virtual machine memory.
3 Add a virtual hard disk.
Screenshots of steps 1 to 3 are below. 
4 Set the virtual hard disk file.
5 Set the virtual hard disk space allocation method.
6 Set the virtual disk file location and size.
The screenshots of steps 4 to 6 are as follows:
7 After the virtual machine is created, click the name of the virtual machine on the left, and you can see the configuration properties of this virtual machine on the right. The screenshot is as follows:
8 In the VirtualBox control and management interface, you can create, manage and start the virtual machine. First, select the virtual machine name on the left, and then click the "Settings" button to set the virtual machine. The screenshots are as follows.
