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中国DOS联盟论坛 » DOS学习入门 & 精彩文章 （教学室） » I Have a Question View 609　Replies 7
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Original Poster Posted 2004-02-10 00:00　·　 中国 甘肃 兰州 教育网
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In XP's CMD I used the DIR/A：S command to display system files, but the sizes of the two files MSDOS.SYS and IO.SYS are both 0.
According to the computer boot process, these two files are not allowed to be missing.
What's going on?
Floor 2 Posted 2004-02-10 00:00　·　 中国 甘肃 兰州 教育网
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A correction
Sorry, the "not allowed" above should be "required"
Floor 3 Posted 2004-02-10 00:00　·　 中国 辽宁 沈阳 联通
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Under the XP system, these two files are no longer system boot files. As for the appearance of zero-byte files, they are produced after system optimization software for the WINDOWS 9X platform or other system management software has been run.
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Floor 4 Posted 2004-02-11 00:00　·　 中国 甘肃 兰州 教育网
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Oh, so that's how it is.
Thank you!
I have another question: in the auto batch file autoexec.bat, how can I view its contents? And how can I add some of my own runnable programs or commands to this file?
Floor 5 Posted 2004-02-11 00:00　·　 中国 辽宁 沈阳 联通
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Please use the EDIT.COM file to edit AUTOEXEC.BAT.
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Floor 6 Posted 2004-02-11 00:00　·　 中国 甘肃 兰州 教育网
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I've already tried it.
I can't see anything.
Floor 7 Posted 2004-02-12 00:00　·　 中国 辽宁 沈阳 联通
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How many bytes is your AUTOEXEC.BAT file? If you can't see anything, the file may be empty, that is, the file length is zero bytes. Take a look.
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Floor 8 Posted 2004-02-12 00:00　·　 中国 甘肃 兰州 教育网
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Oh. I checked.
It really is empty.
Hehe! Thanks!
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