The POSIX API on the 3000 does not support Large Files.  AFAIK the ZIP and
UNZIP you are referring to are POSIX programs, so there is nothing you can do
to make them work with Large Files (short of splitting up the Large Files into
smaller chunks).

- Mark B.

Leonard S. Berkowitz wrote:
> We have ZIP and UNZIP programs that we obtained from an unknown (to me, at least) source. They are
> in the Posix domain. The /SYS/HPBIN/ZIP is a link to the actual executable. These utilities have
> been working fine for two or three years.
>
> This past weekend, it failed, with a message "Implementation Defined Error." We speculate that this
> has something to do with a source file that is 4 Gb or greater.
>
> All advice and suggestions will be gratefully received.
>
> We are aware also of LZW on the HP3000, informally. The problem is that the output cannot be
> uncompressed with WINZIP or PKZIP.
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