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[JJXB]

im running windows xp, if i use vmware(which does emulate a computer - albeit a computer you have to set up from scratch), im usually running dos (either freedos or ms-dos 7.1) so they would technically be on different platforms (even if 1 is "virtual" aka dosbox and vmware) all dosbox is a emulator that comes set up with an operating system alredy "installed" vmware is an emulator in that same respect except that vmware requires you install a operating system onto the virtual hardware yourself

edit - im no programmer so i would have no clue how to optimize it. i'd optimize it if i knew how to code/program but i don't so i am unable to optimize it.