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Reduce ISO image size Rate Topic: -----

#1 User is offline   kernel93 

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Posted 03 February 2006 - 09:04 AM

Hi,
I'm searching a free tool to reduce the ISO image size similar of Linux DVD installation where more 4Gb are burnst only on one DVD...
Thank you for your help.


#2 User is offline   possy_99 

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Posted 03 February 2006 - 09:29 AM

I use UltraISO which has a optimize option when you go to save the ISO, although I haven't used that option as far as I know it is intended to reduce the filesize somehow.

another alternative is CDIMAGE, I've seen this mentioned a few times although never used it myself, same purpose though.

..somewhere to start anyway..

good luck ;o)

#3 User is offline   LLXX 

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Posted 04 February 2006 - 02:51 AM

Look here: http://www.msfn.org/board/index.php?act=ST&f=19&t=14050

#4 User is offline   Tommix 

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Posted 15 February 2006 - 05:56 PM

4GB ? in DVD fills 4.7GB [4.5], so there is no magic :)

#5 User is offline   CptMurphy 

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Posted 15 February 2006 - 06:03 PM

It's actually 4.3 unless you can overburn.

#6 User is offline   MichaelMagdy 

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Posted 16 February 2006 - 09:15 AM

hi

yes everybody i want to know too

but with 700MB cd because my extra apps in unattended win is 800.iso MB

so how can i burn it ib 700MB

exactly like aio 5 in 1 office xp

so pleae help us

thanks in advance

Michael

#7 User is offline   McStarfighter 

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Posted 20 February 2006 - 06:44 PM

Every ISO creation tool, which have options like "duplicate once" or similar, can reduce the needed size of the disc. They all use a hardlink function which is know from NTFS. On FAT file system it is called "cross-chained files" and on the Linux systems it is called "symbolic links". This means: If on your disc is a file i.e. notepad.exe which is five times there and all the five "notepad.exe" are EXACTLY the same file (check the hashes) then the tools create one real notepad.exe and at the other locations of the notepad.exe it creates only a special kind of link which says "I am notepad.exe" but it is only a link to the real notepad.exe. But the good thing is that the hardlink reacts like the real notepad.exe and the OS think there are 5 real notepad.exe and not only one.

#8 User is offline   MichaelMagdy 

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Posted 21 February 2006 - 09:21 AM

@McStarfighter

thx for ur post

but can you advice me by which program have options like "duplicate once" or simil

and if you can add some pic so we can follow it

that's what i have got when try to copy norton antivirus 2006 with total size 1.36 GB to cd 700 MB

the norton2006.iso size is 796 MB

Posted Image

thx very much

This post has been edited by MichaelMagdy: 21 February 2006 - 09:28 AM


#9 User is offline   McStarfighter 

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Posted 21 February 2006 - 01:40 PM

Hi,

in UltraISO the option is at File - Properties. And there is the option "Optimize". This is what I mean.
At CDImage and CDImageGUI I know they have the options, too. Perhaps mkisofs and tools which are based on mkisofs can do this, too.
I never had made such a kind of disc (I'm still working on my 8GB-Multiboot-USB Flash Drive...) so I can't exactly say how to make the discs with the options. But still there is Google... :D

#10 User is offline   MichaelMagdy 

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Posted 21 February 2006 - 02:05 PM

ok thx any way

and looking for more info

#11 User is offline   stasys44 

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Posted 21 February 2006 - 04:17 PM

@MichaelMagdy
If your Norton Antivirus pack (or another program pack) size before optimization is 1.36 GB and resulting ISO image size is 796 MB you cannt burn ISO image (796 MB) to 700 MB CD. You should apply overburn using special CD (say 850MB) and your CDROM must support overburning.

Making ISO (with wanted features incl. optiimizing) is very easy with CDimage GUI. When all preparements are done you press Creation button and you get alike this:
The following Commandline will be executed:
"C:\DOCUME~1\ADMINI~1\LOCALS~1\Temp\cybECC7.tmp\cdimage.exe" -l"winxp" -t02/16/2006,00:00:00 -h -n -b"D:\WinXP_RVM_BTS\loader.bin" -x -o -m "D:\WinXP_RVM_BTS" "f:\winxp.iso"

It's usual Cdimage command line, but you don't worry about syntaxis in the above case.

#12 User is offline   MichaelMagdy 

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Posted 22 February 2006 - 03:39 AM

View Poststasys44, on Feb 21 2006, 04:17 PM, said:

@MichaelMagdy

Making ISO (with wanted features incl. optiimizing) is very easy with CDimage GUI. When all preparements are done you press Creation button and you get alike this:
The following Commandline will be executed:
"C:\DOCUME~1\ADMINI~1\LOCALS~1\Temp\cybECC7.tmp\cdimage.exe" -l"winxp" -t02/16/2006,00:00:00 -h -n -b"D:\WinXP_RVM_BTS\loader.bin" -x -o -m "D:\WinXP_RVM_BTS" "f:\winxp.iso"

It's usual Cdimage command line, but you don't worry about syntaxis in the above case.



@stasys44

i'm so sorry

but i didn't understand how can i reduce my iso with cdimage gui

can you add any explanations pictures through command line with norton.iso

#13 User is offline   stasys44 

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Posted 22 February 2006 - 01:48 PM

Download CDimage Gui and try:
http://www.tech-hint.../cdimagegui.zip

I use it for Windows XP installation with various options - unattended, regular, with Bashrat driver pack, without BTS drivers.

STARTUP button - there are 3 tabs - directories, config, about
CONFIGURATION - 7 tabs - files, filesystem, boot, signature, report, test,
creation
files - if you use time stamp - mm/dd/year,hh:mm:ss
- you should include hidden files and directories - check -h
boot - choose your boot file. I use BCDW v.2 - it supports ISO
(Acronis True Image, Disk Director ,..),
I point to loader.bin
If you use CD shell, EZ boot, your choice will be other
signature - you should check -o OPTIMIZATION
....
....
creation - what volume label?
CREATION - command line

Success

#14 User is offline   MichaelMagdy 

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Posted 23 February 2006 - 03:02 AM

WoW

and these steps will comprese the iso 796 MB
so i can burn it easy

i can tell you how glad i'm

i will try these steps today

thank's very much

Quote

796


#15 User is offline   stasys44 

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Posted 23 February 2006 - 05:24 PM

Thanks too early.

Please read post #7 in page1 on this topic. If you have many identical files the optimisation helps very much. For exemple Windows XP all versions in one.

#16 User is offline   The008 

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Posted 23 February 2006 - 06:22 PM

I use mkisofs (it's used by BartPE as well), and I created a XP 8in1, with 4,81GB optimized to 680MB, the it's just burn to a 700MB CD.

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