supply particular values. • monospace: Monospace type indicates commands within a paragraph, URLs, code in ex- amples, text that appears on the screen, or text that you enter. Documentation Accessibility such as DOS, Windows, OS/2, FreeBSD, and OpenBSD. But to achieve near-native performance of the guest code on your machine, we had to go through a lot of optimizations that are specific to certain 2 1 First design with well-defined internal programming interfaces and a clean separation of client and server code. This makes it easy to control it from several interfaces at once. For example, you can start a VM

17 2.8.5 Create Virtual Machine Wizard: Summary . . . . . . . . . . . . . . . . 18 2.8.6 Some Examples of Unattended Installation . . . . . . . . . . . . . . . . 18 2.9 Running Your Virtual Machine supply particular values. • monospace: Monospace type indicates commands within a paragraph, URLs, code in ex- amples, text that appears on the screen, or text that you enter. Documentation Accessibility such as DOS, Windows, OS/2, FreeBSD, and OpenBSD. But to achieve near-native performance of the guest code on your machine, we had to go through a lot of optimizations that are specific to certain OSes. So

17 1.8.5 Create Virtual Machine Wizard: Summary . . . . . . . . . . . . . . . . 18 1.8.6 Some Examples of Unattended Installation . . . . . . . . . . . . . . . . 18 1.9 Running Your Virtual Machine supply particular values. • monospace: Monospace type indicates commands within a paragraph, URLs, code in ex- amples, text that appears on the screen, or text that you enter. Documentation Accessibility such as DOS, Windows, OS/2, FreeBSD, and OpenBSD. But to achieve near-native performance of the guest code on your machine, we had to go through a lot of optimizations that are specific to certain OSes. So

17 2.8.5 Create Virtual Machine Wizard: Summary . . . . . . . . . . . . . . . . 18 2.8.6 Some Examples of Unattended Installation . . . . . . . . . . . . . . . . 18 2.9 Running Your Virtual Machine supply particular values. • monospace: Monospace type indicates commands within a paragraph, URLs, code in ex- amples, text that appears on the screen, or text that you enter. Documentation Accessibility such as DOS, Windows, OS/2, FreeBSD, and OpenBSD. But to achieve near-native performance of the guest code on your machine, we had to go through a lot of optimizations that are specific to certain OSes. So

17 2.8.5 Create Virtual Machine Wizard: Summary . . . . . . . . . . . . . . . . 18 2.8.6 Some Examples of Unattended Installation . . . . . . . . . . . . . . . . 18 2.9 Running Your Virtual Machine supply particular values. • monospace: Monospace type indicates commands within a paragraph, URLs, code in ex- amples, text that appears on the screen, or text that you enter. Documentation Accessibility such as DOS, Windows, OS/2, FreeBSD, and OpenBSD. But to achieve near-native performance of the guest code on your machine, we had to go through a lot of optimizations that are specific to certain OSes. So

17 1.8.5 Create Virtual Machine Wizard: Summary . . . . . . . . . . . . . . . . 18 1.8.6 Some Examples of Unattended Installation . . . . . . . . . . . . . . . . 18 1.9 Running Your Virtual Machine supply particular values. • monospace: Monospace type indicates commands within a paragraph, URLs, code in ex- amples, text that appears on the screen, or text that you enter. Documentation Accessibility such as DOS, Windows, OS/2, FreeBSD, and OpenBSD. But to achieve near-native performance of the guest code on your machine, we had to go through a lot of optimizations that are specific to certain OSes. So

17 1.8.5 Create Virtual Machine Wizard: Summary . . . . . . . . . . . . . . . . 18 1.8.6 Some Examples of Unattended Installation . . . . . . . . . . . . . . . . 18 1.9 Running Your Virtual Machine supply particular values. • monospace: Monospace type indicates commands within a paragraph, URLs, code in ex- amples, text that appears on the screen, or text that you enter. Documentation Accessibility such as DOS, Windows, OS/2, FreeBSD, and OpenBSD. But to achieve near-native performance of the guest code on your machine, we had to go through a lot of optimizations that are specific to certain OSes. So

supply particular values. monospace Monospace type indicates commands within a paragraph, URLs, code in examples, text that appears on the screen, or text that you enter. Documentation Accessibility For Windows, OS/2, FreeBSD, and OpenBSD on an x86 host. But to achieve near-native performance of the guest code on your machine, we had to go through a lot of optimizations that are specific to certain OSs. So design with well-defined internal programming interfaces and a clean separation of client and server code. This makes it easy to control it from several interfaces at once. For example, you can start a VM

VirtualBox API . . . . . . . . . . . . . . . . . . . . . . . . 37 3 Basic VirtualBox concepts; some examples 45 3.1 Obtaining basic machine information. Reading attributes . . . . . . . . . . . . . 45 3.2 Devel- opment Kit (SDK) contains all the documentation and interface files that are needed to write code that interacts with VirtualBox. 1.1 Modularity: the building blocks of VirtualBox VirtualBox is cleanly visualized like in the picture below: The orange area represents code that runs in kernel mode, the blue area represents userspace code. At the bottom of the stack resides the hypervisor – the core of

VirtualBox API . . . . . . . . . . . . . . . . . . . . . . . . 39 3 Basic VirtualBox concepts; some examples 47 3.1 Obtaining basic machine information. Reading attributes . . . . . . . . . . . . . 47 3 Devel- opment Kit (SDK) contains all the documentation and interface files that are needed to write code that interacts with VirtualBox. 1.1 Modularity: the building blocks of VirtualBox VirtualBox is visualized like in the picture below: The orange area represents code that runs in kernel mode, the blue area represents userspace code. At the bottom of the stack resides the hypervisor – the core of