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DOS学习入门 & 精彩文章 (教学室) » Question for all the experts
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Floor1 panminghui Posted 2006-04-13 10:27
中级用户 Posts 141 Credits 412 From 广州市
After I used deltree /y *.* to delete all files on drive C, then used sys A:c\ to transfer the boot files to drive C, and restarted the machine. Is DOS already installed on drive C in the machine?
Floor2 GOTOmsdos Posted 2006-04-13 11:36
铂金会员 Posts 1,827 Credits 5,154
It is sys c:
It did two things:
1 wrote DOS boot information (DBR) to sector 0 of drive C:
2 copied IO.SYS MSDOS.SYS COMMAND.COM to the root of C
That gives you a minimal DOS, but you can only use internal commands (in COMMAND.COM)
Floor3 panminghui Posted 2006-04-15 10:08
中级用户 Posts 141 Credits 412 From 广州市
Many thanks for the help, expert. I'd also like to ask, if I use a 98SE boot disk to restart the machine into DOS, can I then use external commands, for example FORMAT C:/U/S
Floor4 GOTOmsdos Posted 2006-04-15 10:14
铂金会员 Posts 1,827 Credits 5,154
Generally yes
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