On 3/03/2016 11:04 AM, Paul Gilmartin wrote:
On Thu, 3 Mar 2016 10:23:12 +0800, David Crayford  wrote:
I've got no idea why Rocket would choose to use tarballs. It would have
been a much better idea to use compressed pax archives like the original
IBM ported tools.

Yes.  But on (some) GNU Linux:

man pax
     ...
      -z      Use the gzip(1) utility to compress (decompress) the archive 
while writing
              (reading).  Incompatible with -a.

Ouch!  Gnu's Not Unix.


I think we can take it as a given that z/OS pax uses proprietary compression. Although I wonder if it will use gzip compression if the customer has zEDC?



-- gil

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