Compressing a folder of zip files how small does it make it

Hello,
I'm trying to put a lot of files on two DVDs and it would help me to know if I zip each file in the folder then zip the folder who small can it get. Right now my folder size will reduce by 2 megabytes 7.17 GB TO 7.15 GB

You can try using gzip in Terminal with the highest compression ratio (9), but you will not squeeze that much more, and will take longer to compress.
Consider using DL DVDs

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Zipping an image file should have no effect on image quality, as the image data is not actually changed.
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How to uncompress zip files using java program

hai,
please give some sample code to decompress the zip file.
how to uncompress zip files using java program
thanking you
arivarasu

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thanks.

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Compressing a folder of zip files how small does it make it

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