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From: Will Senn <will.senn@gmail.com>
To: Clem Cole <clemc@ccc.com>
Cc: TUHS main list <tuhs@minnie.tuhs.org>
Subject: Re: [TUHS] v7 tar and 2bsd.tar
Date: Mon, 27 Jul 2020 22:02:47 -0500	[thread overview]
Message-ID: <bcc34a7a-c2dd-53eb-9559-1ab2e0cf3762@gmail.com> (raw)
In-Reply-To: <CAC20D2PcpmUN87dM_Ncu_5pV95j23uHZRdvb=HwiOrY8K55pbQ@mail.gmail.com>

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On 7/27/20 8:14 PM, Clem Cole wrote:
> on v7:  dd if=/dev/rrkN of=ucbtar bs=1          <-- this should pull 
> the binary with the padded last block in
>
Your instructions held up until I tried to read from the rk device - 
here's my attach:

in simh:
set rk0 rk05
att rk0 ucbtar

then in v7 the rk's aren't in /dev, so:

looked in c.c, rk is major dev 0, and rrk is dev 9, so...
/etc/mknod /dev/rk0 b 0 0
/etc/mknod /dev/rrk0 c 9 0
chmod 640 /dev/*rk*

and
dd if=/dev/rrk0 of=ucbtar bs=1
cannot open: /dev/rrk0

Look reasonable?

Will

-- 
GPG Fingerprint: 68F4 B3BD 1730 555A 4462  7D45 3EAA 5B6D A982 BAAF


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  reply	other threads:[~2020-07-28  3:04 UTC|newest]

Thread overview: 10+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-07-28  0:39 Will Senn
2020-07-28  1:14 ` Clem Cole
2020-07-28  3:02   ` Will Senn [this message]
2020-07-28  3:20     ` Will Senn
2020-07-28  3:21       ` Clem Cole
2020-07-28  3:47         ` Will Senn
2020-07-28  3:55           ` Will Senn
2020-07-28 13:38             ` Will Senn
2020-07-28 13:50               ` Clem Cole
2020-07-28  3:20     ` Clem Cole

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