".gz" files

From: Jerome H. Fine <jhfinepw4z_at_compsys.to>
Date: Wed May 29 21:35:32 2002

>Carlos Murillo wrote:

> >At Jerome Fine wrote:
> >I need some help. Jay West has kindly posted the file
> >"rt11freewarev2.iso.gz" at:
> >http://www.classiccmp.org/PDP-11/RT-11/freeware-CDS/images/
> >"rt11freewarev2.iso.gz" is about 171 Mbytes in size. It is my
> >understanding that
> >the full size file "rt11freewarev2.iso" is exactly 671,088,640 bytes in
> >size which
> >is the CD for the RT11 Freeware CD produced by Tim Shoppa. However,
> >when
> >the download of the "rt11freewarev2.iso.gz" file is complete, I end up
> >with a file
> >that is 687,282,673 bytes which is different in size and can NOT be
> -snip-
> >I am using Windows 98 SE/Netscape 4.78 and the normal WinZip in case
> >that
> therein lies the problem.
> I've had this problem with netscape for large downloads. Something
> gets out of sync. Use wget instead for downloading, and gzip for
> decompressing; they're both available for win32. Contact me off the
> list if you want win32 command line executables.

Jerome Fine replies:

YIPPEE!!!!!! Long story!!!!

When I attempt to run wget, I receive the error response file:
--17:49:29-- http://www.classiccmp.org/PDP-11/rt11freewarev2.iso.gz
           => `rt11freewarev2.iso.gz'
Connecting to www.classiccmp.org:80... connected!
HTTP request sent, awaiting response... 403 Forbidden
17:49:31 ERROR 403: Forbidden.

Eventually, I somehow got the idea to try:
wget -b
http://www.classiccmp.org/PDP-11/RT-11/freeware-CDS/images/rt11freewarev2.iso.gz

which is the address of the actual file rather than a pointer -
or at least I guess that is what is at the second location. In
any case, it finally WORKED and I was able to download
a file that was 180,333,547 bytes. It took about 30 minutes
at probably about 120 KBytes per second. Then I used WinZip
(actually I just clicked on the file name in Windows Explorer)
and the file "rt11freewarev2.iso" was extracted. YIPPEE!!!!!

If anyone wants a copy of the file: utils.zip - 327,236 bytes
contact either of us.

Sincerely yours,

Jerome Fine
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Received on Wed May 29 2002 - 21:35:32 BST

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