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Old 12-20-2003, 02:22 AM   #1
minion01
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Registered: Dec 2003
Posts: 6

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mkisofs -z (compression question)


Ok, I have the mkisofs program (dos program running in winXP, and tried making an image using the -z command (transparent compression) and I am wondering if there is a problem...

I used the "mkisofs -o stuff.iso -z -path-list stuff.txt"...........it creates the image, and displays this:

Total translation table size: 0
Total rockridge attributes bytes: 0
Total directory byts: 6422
Path table size(bytes): 54
Max brk space used: 6000
57023 extents written (111Mb)

The image it creates is 111mb, and the directory onthe hard drive takes up 111mb......

Am I doing something wrong?

Also, how does one compress certain files and leave certain other files uncompressed? Taking a look at mkisofs, there is no way of doing this, to my knowlwedge (for leaving just the boot-files uncompressed while compressing everything else...)...

Btw, is there a tutorial for just a way of making a cd with transparent compression and either IsoLinux or bootscriptor or even cd shell? I would like to have it so that the images are stored inside the compression part, and IsoLinux or bootscriptor or cd shell can read those images and boot them....Could this also be compatible with bcdw? Currently, I believe bcdw is the only bootloader that supports images over 2.88mb...

I am new to linux and all of this technology about compression and stuff, so I have come here for some help :P

Last edited by minion01; 12-20-2003 at 02:29 AM.
 
Old 12-20-2003, 01:55 PM   #2
jailbait
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Registered: Feb 2003
Location: Blue Ridge Mountain
Distribution: Debian Jessie, Linux Mint 17
Posts: 7,751

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"Btw, is there a tutorial for just a way of making a cd with transparent compression and either IsoLinux or bootscriptor or even cd shell?"

If you want to create a bootable CD witha command shell then I suggest that you take a look at LifeBoat:

http://users.rcn.com/srstites/LifeBo...home.page.html

"Currently, I believe bcdw is the only bootloader that supports images over 2.88mb..."

Use isolinux. It does not mess with trying to create boot floppy images on a CD. Look at the mkisofs command within the LifeBoat script to see how to do this.

http://syslinux.zytor.com/

"The image it creates is 111mb, and the directory onthe hard drive takes up 111mb......
Am I doing something wrong?"

Probably not, the iso image is a file, not a directory.

"Also, how does one compress certain files and leave certain other files uncompressed? Taking a look at mkisofs, there is no way of doing this, to my knowlwedge (for leaving just the boot-files uncompressed while compressing everything else...)..."

Do not use mkisofs to compress anything. Compress the files that you want compressed as a separate step before you run mkisofs.

---------------------------------
Steve Stites
 
  


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