[CentOS] NOSSO(r) compression

Ruslan Sivak rsivak at istandfor.com
Wed Dec 5 18:07:55 UTC 2007


I just compresses using bzip2, and it only saved 8% versus over 50% 
saved by using NOSSO(r).  Here is the bzip2 output
1.080:1,  7.406 bits/byte,  7.42% saved, 2718433280 in, 2516591511 out.

The command line I used to compress was bzip2 -9zvv sol-10-u4-ga-x86-dvd.iso

Russ

Alain Spineux wrote:
> Did you try to bzip2  the DVD using -9 options to have something to compare ?
>
>
> On Dec 4, 2007 6:35 PM, Ruslan Sivak <rsivak at istandfor.com> wrote:
>   
>> I just downloaded solaris.  They have two versions, the split DVD that
>> comes with two 1.2GB zipped chunks and an exe which is 1.2GB but
>> uncompresses to the full 2.5+GB.  I found some info on them here:
>> http://www.nosltd.com/nosso.html
>>
>> Any idea how they achieve such great compression?  Looks like they're
>> using a proprietary algorithm and don't offer any downloads.  Also looks
>> like it's windows only.  Is there a linux/open source alternative out
>> there?
>>
>> Russ
>>
>>
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>>     
>
>
>
>   




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