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KVM stands for "Keyboard, Video, Mouse." A KVM switch connects one keyboard, one mouse and one video display to multiple computers. This allows users to control multiple computers with only a single set of input and output devices. By sharing the inputs and the display, desktop clutter and cabling requirements can be reduced. A KVM switch may also include other switching functionality, such as for USB ports and audio.

The most common and least expensive KVM switch allows access to two computers. However, switches can be built to handle as many computers as a user requires. To switch between computers, the KVM switch may have a button or dial on the device itself. More sophisticated switches will allow the user to switch computers by using a keyboard shortcut, also known as a hot key.
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Hello Friends,

A KVM (keyboard, video, mouse) switch is a hardware device that allows a user to control multiple computers from a single keyboard, video display monitor and mouse. KVM switches are often found in data centers where multiple servers are placed in a single rack. By pressing a button on the kvm switch, the administrator can change control from one server to the next. Using a KVM switch can save the administrator the cost of purchasing a dedicated keyboard, monitor and mouse for each computer, save space in the server room and limit cable clutter.

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