KVM stands for “Keyboard, Video (monitor), Mouse. ” The main function of a KVM switch is to control, switch between, and manage multiple PCs or servers via a single keyboard, monitor and mouse (also referred to as the 'console'). At its most basic, a KVM switch is a hardware device, usually. By the end of this guide, you'll understand everything about KVM switch technology – from the basics of what a KVM switch is, to how they work under the hood, to configuration best practices for Linux machines. In data centers, server rooms, and workstations, where space is limited or several systems must be managed at once, this.