[TUHS] 2bsd tarball

[Will Senn]

On 7/28/20 7:09 PM, Warner Losh wrote:
>
> 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 <http://tar.ms>
>     -rw-r--r--  0 0      10      15216 Feb 17  1980 install.ms
>     <http://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 <http://maketape.pl> with a block size of 
> 1 so the above dd will work on the target system...
>
> Warner
OK. That makes sense. I'll just work with it as is on my v7 system.

Will

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