[TriLUG] ISO images and compression

David A. Cafaro dac at cafaro.net
Fri May 10 11:33:56 EDT 2002


Thanks Mike and Mike.  I went ahead and did the compression of my ISO and 
ended up getting about 25% compression on it.  Not bad, 650MB to 
500MB.  And time wasn't to bad, only took about 5-10 minutes (though my 
750mhz 512MB ram computer was thrashing it's way the entire time...).

-David

At 01:57 PM 5/9/2002, you wrote:
>"David A. Cafaro" <dac at cafaro.net> writes:
> > Just curious if anyone knows any disadvantages to compressing
> > (zip/gzip) an ISO disk image.  Why is this never done (or seems to
> > never be done)?  Thanks for any enlightenment...
>
>If the contents of the image are already compressed (as rpms and debs
>and such would be), there's little to be gained in having to
>decompress it other than taking extra time and diskspace.
>
>Mike.
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