UNIX for Advanced & Expert Users

Hi all,

I am working on a OS which is in the livecd fomat(its also installable)..
the issues is that its LZMA -7 compressed!!!
After a few unsuccessful attempts ,Is when i figured out that it was lzma compressed.....
Also am working on manipulating the ramdisk ..
But when i tried a putback (i obviously need to decompress first then compress it back)
I uncompressed the ramdisk ,
using gzcat then tried compressing back with gzip -c
(Its wrong i know!!)

After a few unsuccessful attempts ,Is when i figured out that it was lzma compressed.....

Anyway now i would like to know details of how i can compress and using LZMA?
I am working on solairs (b83)
So please specify the packages i need to install in order to run LZMA!!!

The reason am asking is, i have not done anything with the codes that could make my booting process go wrong!!!!
All i did was download the original iso...
then open up the ramdisk and then wrote a simple echo statement ...
(opened up using gzcat)
then a putback (to reburn the iso) putback was done by gzip -c!!!!

pls help
thanks

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