[oi-dev] Please Zip compress the USB downloads from OI

Bob Friesenhahn bfriesen at simple.dallas.tx.us
Fri Aug 10 17:22:05 UTC 2018

On Fri, 10 Aug 2018, John Howard wrote:

> Yesterday I downloaded the minimal USB.  I am in USA, not Europe or Asia,
> so I did not choose an alternative mirror for the download.  Average speed
> was modem circa 1990 around 56 Kb/s.  It took almost 3 hours.  Okay, if
> that is how it is now.
> The problem is, out of curiousity, I compressed the downloaded minimal USB
> file 25% using Zip.
> Similar savings result for the 2 GiB Live USB down to 1.6 GiB.

If the image is to be compressed, then it is likely that there is a 
popular compression algorithm (e.g. xz or 7zip) which is more 
effective than gzip.

Bob Friesenhahn
bfriesen at simple.dallas.tx.us, http://www.simplesystems.org/users/bfriesen/
GraphicsMagick Maintainer,    http://www.GraphicsMagick.org/

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