AS/400 and System i, but not easily, and the first few models all suffered from
The 80386 introduced Virtual 8086 (V86) mode -- allowing real-mode DOS programs to run inside protected mode under OS supervision. While not full virtualization in the modern sense, V86 was the first practical hardware-assisted mechanism on x86 for running legacy software in a protected environment -- used widely in Windows 3.x and Windows 9x.
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“坚持从实际出发、按规律办事，自觉为人民出政绩、以实干出政绩。”
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"But I'm going to tell you it is harder to be a parent than to be a space shuttle commander," she laughs.