[TUHS] 2bsd tarball
Will Senn
will.senn at gmail.com
Wed Jul 29 10:46:56 AEST 2020
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...
This definitely makes sense. Thanks. This
--
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