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中国DOS联盟论坛 » DOS疑难解答 & 问题讨论 （解答室） » [Urgent] Experts, a question about .iso files? View 1,037　Replies 7
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Original Poster Posted 2004-02-12 00:00　·　 中国 山西 临汾 联通
movenalnalby
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One day I saw the update notice on the Qibu website, so I decided to burn the stuff on the site onto a CD. To save space, I compressed everything, but when I wanted to install DOS 7.10 (NewDOS), what I downloaded was the full CD installation edition,
the CD file (.iso) is inside a .rar archive in my CD file folder. So let me ask:
Can I still use this CD to install DOS7??
How can I read the contents of the iso file onto the hard disk? Is there any software for reading iso files?

My machine is a pure DOS machine.
Also, I'd like to ask everyone to help me find the highest versions of zip for dos and arj for dos.
And I'd also like to ask about software and usage methods for putting large batches of .img files onto the hard disk.

One more question: since rar has such a high compression ratio, why are img files still used??
Floor 2 Posted 2004-02-12 00:00　·　 中国 福建 厦门 中移铁通
tomts
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Exactly. Right now I want to burn it onto a CD and use it, but I don't even know which one is the actual ISO. What I downloaded was in ZIP format, and after extracting it there are five or six ISOs, without even a decent explanation~
Floor 3 Posted 2004-02-15 00:00　·　 中国 河北 石家庄 联通
movenalnalby
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Why is no one answering? I once searched on baidu and found something called undisker (ver 1.1 ,,ver1.2), but they're all Windows versions. It can extract iso files. Could it be that no one developed one for dos before??
Thanks, experts
Floor 4 Posted 2004-02-15 00:00　·　 美国
Wengier
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If you don't want to burn it, then use the floppy disk edition:

Installation disk 1：http://newdos.yginfo.net/dosware/dos71_1.zip
Installation disk 2：http://newdos.yginfo.net/dosware/dos71_2.zip
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Floor 5 Posted 2004-02-15 00:00　·　 中国 河北 石家庄 联通
movenalnalby
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Kill me now~wwuwuwu
It's not just the DOS7.1 iso, I also have the Chinese Paladin iso (15mb), and the The Legend of Swordman iso (n_mb). Is there really no expert in the world who can develop a DOS version of it?
If you're interested:
http://www.undisker.com
go take a look.
Sorry to trouble everyone!
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Floor 6 Posted 2004-02-15 00:00　·　 美国
Wengier
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IMG/ISO are disk image files, not compressed files, so there is no issue of compression ratio.

If you want to read ISO images under pure DOS, try SHSUCDHD.
Wengier - 新DOS时代

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Floor 7 Posted 2004-02-16 00:00　·　 中国 广东 佛山 禅城区 电信
MYS
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WINRAR can extract ISO files, and it also includes DOS command-line tools.
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Floor 8 Posted 2004-02-16 00:00　·　 中国 广东 佛山 禅城区 电信
MYS
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Those software packages were originally floppy-disk versions. The makers of pirated CDs directly used HD-COPY to save the floppy disks as IMG image files and put them in. So they're full of IMG files.
UNDISKP can extract all the IMG files at once.
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