From: aps@ieee.org (Armando Stettner)
Subject: [TUHS] why does tar have the tape device hard coded into it and why is it mt1 instead of mt0
Date: Sat, 12 Dec 2015 11:58:06 -0800 [thread overview]
Message-ID: <5C9EF0B4-EE0C-4C08-9CB0-9D00D1488D2C@ieee.org> (raw)
In-Reply-To: <566C6D60.40205@mhorton.net>
I recall using the -f option with the - for direction to/from to move large hierarchies around and preserve metadata including creation/modify dats, owner/group, etc.
Sent from my iPad
> On Dec 12, 2015, at 10:54, Mary Ann Horton <mah at mhorton.net> wrote:
>
> Yeah, I just can't imagine using tar with the f option. Even back in the day when I was writing 9 track magtapes with tar, it would be something like
> tar cvfb /dev/rmt0 10 .
> to get tape blocks bigger than 512 bytes. But we never had dectapes and I think they did their own blocking.
>
> Mary Ann
>
> On 12/11/2015 06:09 PM, Doug McIlroy wrote:
>>> I have no memory of why Ken used mt1 not mt0. Doug may know.
>> I don't know either. Come to think of it, I can't remember ever
>> using tar without option -f. Direct machine-to-machine trasfer,
>> e.g. by uucp, took a lot of business away from magtape soon
>> after tar was introduced. Incidentally, I think tar was written
>> by Chuck Haley or Greg Chesson, not Ken.
>>
>> Doug
>> _______________________________________________
>> TUHS mailing list
>> TUHS at minnie.tuhs.org
>> http://minnie.tuhs.org/cgi-bin/mailman/listinfo/tuhs
>
> _______________________________________________
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next prev parent reply other threads:[~2015-12-12 19:58 UTC|newest]
Thread overview: 14+ messages / expand[flat|nested] mbox.gz Atom feed top
2015-12-12 2:09 Doug McIlroy
2015-12-12 18:54 ` Mary Ann Horton
2015-12-12 19:58 ` Armando Stettner [this message]
2015-12-12 20:13 ` Clem Cole
2015-12-12 22:44 ` Lyndon Nerenberg
2015-12-12 20:57 ` John Cowan
-- strict thread matches above, loose matches on Subject: below --
2015-12-13 1:41 Norman Wilson
2015-12-13 3:04 ` Lyndon Nerenberg
2015-12-12 17:17 [TUHS] TUHS] " Doug McIlroy
2015-12-12 20:17 ` [TUHS] " Diomidis Spinellis
2015-12-11 22:27 Will Senn
2015-12-11 22:31 ` Clem Cole
2015-12-11 22:52 ` Will Senn
2015-12-11 23:13 ` John Cowan
2015-12-12 0:26 ` Random832
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