Who knows the difference between pure DOS and Windows emulated DOS?
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中国DOS联盟论坛 » 其它操作系统综合讨论区 » [Help] SOS Who knows the difference between pure DOS and Windows emulated DOS?
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Posted 2003-04-30 00:00 · 中国 福建 福州 教育网
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Posted 2003-04-30 00:00 · 中国 湖北 武汉 江夏区 电信
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Do you mean DOS emulated by winnt?
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Posted 2003-04-30 00:00 · 中国 福建 福州 教育网
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Yes.
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Posted 2003-04-30 00:00 · 中国 福建 福州 教育网
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Is there any expert who knows? Hurry up and tell the little brother
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Posted 2003-04-30 00:00 · 中国 河南 驻马店 联通
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The DOS in NT and 2000 is just a shell, not the real DOS system.
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Posted 2003-04-30 00:00 · 中国 福建 福州 教育网
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Oh, be more specific! It's too general! Because I'm still a beginner!!
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Posted 2003-04-30 00:00 · 中国 福建 福州 教育网
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Elders, why don't you take care of the younger brother?
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Posted 2003-04-30 00:00 · 中国 福建 福州 教育网
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What's the difference in the simulation methods? Is there any brother who knows?
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Posted 2003-04-30 00:00 · 中国 湖北 武汉 江夏区 电信
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It's not correct to say it's a DOS shell either
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明月鹭鸟飞， 芦花白马走。
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青云碧空在，净瓶水不流。
http://dos.e-stone.cn/guestbook/index.asp
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Posted 2003-04-30 00:00 · 美国 肯塔基州 费耶特县 列克星敦 Charter_Communications
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Pure DOS means booting the computer with DOS, such as pure MS-DOS 1.0, 2.0, up to 8.0, pure PC-DOS, pure ROM-DOS, etc. And emulated DOS means first entering another non-DOS operating system, and then it provides functions similar to the DOS interface and operation, that is, virtual DOS.
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Posted 2003-04-30 00:00 · 中国 福建 福州 教育网
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Then how should I put it? And what exactly is different about its simulation method?
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Posted 2003-04-30 00:00 · 中国 湖北 黄石 电信
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Microprocessors above 386 have three working modes, namely real mode, protected mode, and virtual 86 mode.
DOS 622 works in real mode (8086).
Windows works in protected mode. To be compatible with 8086 in protected mode, Intel also provides the virtual 86 mode so that under the Windows platform, both 32-bit programs and MSDOS programs can be run.
MSDOS programs in protected mode run in virtual 86 mode, but the memory addressing method is the same as that of 8086, which is also 1MB.
DOS 622 works in real mode (8086).
Windows works in protected mode. To be compatible with 8086 in protected mode, Intel also provides the virtual 86 mode so that under the Windows platform, both 32-bit programs and MSDOS programs can be run.
MSDOS programs in protected mode run in virtual 86 mode, but the memory addressing method is the same as that of 8086, which is also 1MB.
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Posted 2003-04-30 00:00 · 美国 肯塔基州 费耶特县 列克星敦 Charter_Communications
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For a simulated DOS, it depends on the simulation ability of this system. Some are simulated well, some are simulated poorly. Just like current game simulators, which simulate the original game consoles to play games, but the simulation effects are different from each other.
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Posted 2003-04-30 00:00 · 中国 福建 福州 教育网
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Oh, are there any other things?
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The following is a quote from bgn on 2003-4-30 9:20:54:
Processors above 386 have three working modes, namely real mode, protected mode, and virtual 86 mode.
DOS 622 works in real mode (8086)
Windows works in protected mode. To be compatible with 8086 in protected mode, Intel provides the virtual 86 mode
so that under the Windows platform, both 32-bit programs and MS-DOS programs can be run.
MS-DOS programs in protected mode run in virtual 86 mode, but the memory addressing method is the same as that of 8086,
which is also 1M.
What bgn said is not already very detailed?
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