Wiki Emulators (Wiki) -
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This article is about emulators in computer science. For a line of digital musical instruments, see E-mu Emulator. For other uses, see Emulation (disambiguation).
DOSBox emulates the familiar command line interface of DOS.
An emulator duplicates (provides an emulation of) the functions of one system using a different system, so that the second system behaves like (and appears to be) the first system. This focus on exact reproduction of external behavior is in contrast to some other forms of computer simulation, which can concern an abstract model of the system being simulated.