The first OS installed in a computer. In a virtual machine environment, there may be a host operating system that interacts with the virtual machine monitor, which manages the virtual machines.

This excerpt is from the book, Practical Virtualization Solutions: Virtualization from the Trenches published by Prentice Hall Professional, Oct. 2009, ISBN ...

Sun’s VirtualBox lets you install multiple operating systems, offering greater speed and ease of use than its competitors. Whether you prefer Linux, Windows, or Mac OS X, you can probably get almost ...

Anyone who frequently installs and uninstalls new software, tests beta versions of programs, or tinkers with the registry in Windows, often reaches the point where they have to completely re-install ...

Recently, someone who is relatively new to Hyper-V e-mailed me to ask two thought-provoking questions. The first was whether or not it is true that Hyper-V virtual machines (VMs) have direct hardware ...

VMware's virtual machine programs support clipboard sharing. The clipboard sharing feature shares the contents of your clipboard between your computer's host operating system and VMware's virtual ...

Virtualization is big and it seems like the whole enterprise world is adopting virtualized systems. But there’s a big difference between virtualized servers and virtualized infrastructure. A ...

Leaky Vessels container escape vulnerabilities in Docker runc and other container runtimes potentially break the isolation layer between container and host operating system. Security researchers have ...

Project Atomic pours Kubernetes and Red Hat engineering into a state-of-the-art container host, but be prepared to roll up your sleeves Red Hat’s Project Atomic is an opinionated way to run Linux ...

Oracle has released patches for ten vulnerabilities in VirtualBox which allow attackers to break out of guest operating systems and attack the host operating system that VirtualBox runs on. Exploits ...

Phoenix, Arizona-based operating systems and software supplier DDC-I, Inc., is supplying its DO-178 Deos multicore real time operating system (RTOS) to Honeywell Aerospace to serve as the host of the ...