[TUHS] 2bsd tarball

Clem Cole clemc at ccc.com
Wed Jul 29 10:19:35 AEST 2020


Note the UID/GID are numeric not ASCII ;-)
I suspect henry's tape is closer to the official tape!!

On Tue, Jul 28, 2020 at 8:11 PM Warner Losh <imp at bsdimp.com> wrote:

>
>
> On Tue, Jul 28, 2020 at 5:04 PM Will Senn <will.senn at gmail.com> wrote:
>
>> OK, I was able to locate 2bsd.tar.gz and spencer_2bsd.tar.gz in the
>> archive. Neither is an installation tape. It appears that they are just
>> tarballs of their respective systems (there are very minor differences
>> between the two).
>>
>> In the TAPE file in the tarball, it talks about reading the tar program
>> off of the tape using:
>> dd if=/dev/mt0 bs=1b skip=1 of=tar
>>
>> Well, tar is definitely not located at that address, which implies that
>> the tarball isn't a distro tape. This note in the archive used to read:
>>
>> ...
>>
>> The remaining gzipped tar files are other 2BSD distributions supplied by
>> Keith Bostic, except for spencer_2bsd.tar.gz which came from Henry Spencer.
>> They do not contain installation tape images. The 2.9BSD-Patch directory
>> contains patches to 2.9BSD dated August 85, and again supplied by Keith Bostic.
>>
>> ...
>> now it reads:
>> ...
>>
>> 2.11BSD 2.11BSD-pl195.tar is a copy of 2.11BSD at patch level 195, supplied
>> by Tom Ivar Helbekkmo. spencer_2bsd.tar.gz is a version of 2BSD which came
>> from Henry Spencer.
>> ...
>>
>> I recall having to do something with cont.a files, which are not present on these images. So, my questions is, does anyone know of or have an actual 2bsd tape/tape image?
>>
>> Both of the 2bsd tapes you found are from the days when Berkeley just
> sent patches to the 7th Edition out. The 2.8BSD tape was the first one to
> have a kernel that was bootable from the tape. The 2BSD tapes originally
> had 2 files on them. The first one was a binary copy of tar that ran on V7.
> The second was a tarball of all the rest. As you discovered, they shipped
> with a label like:
>         Second Berkeley Software Tape
>         May 10, 1979    TAR 800BPI
>
>         %dd if=/dev/mt0 bs=1b skip=1 of=tar
>         %chmod 755 tar
>         % tar x
>
>         10000 blocks
> but the 2bsd.tar.gz file has just the second file.
>
> The spensor_2bsd.tar.gz has a tar binary in it:
>
> tar tvf spencer_2bsd.tar.gz | head
> -rw-r--r--  0 0      0       24688 Feb 17  1980 tar
> -rw-r--r--  0 0      10       3687 Feb 17  1980 tar.1
> -rw-r--r--  0 0      10        456 Feb 17  1980 tar.ms
> -rw-r--r--  0 0      10      15216 Feb 17  1980 install.ms
>
> if you are looking for that pre-built. If you are looking to create a tape
> with tar on it to extract other tar tapes, you'd need to use a variation on
> the maketape.pl with a block size of 1 so the above dd will work on the
> target system...
>
> Warner
>
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