About

An emulator simulates a hardware, operating system or platform that is separate and possibly different from the one it runs on. If you are using a specific emulator, please tag it with the name, such as [VMware] or [VirtualBox]

Emulators are commonly used for testing new or possibly dangerous software in a "sandbox" environment so if a compromize occurs, it is isolated from the actual system. Another common use is to simplify physical systems by allowing programs built for different systems to run on a single physical system (the host) with many (guest) systems running inside the emulator.

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