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From: Bakul Shah <bakul+plan9@bitblocks.com>
To: Fans of the OS Plan 9 from Bell Labs <9fans@cse.psu.edu>
Subject: Re: [9fans] Re: echo -n
Date: Tue, 21 Nov 2006 08:49:10 -0800	[thread overview]
Message-ID: <20061121164910.9E4075B1B@mail.bitblocks.com> (raw)
In-Reply-To: Your message of "Tue, 21 Nov 2006 08:37:19 MST." <13426df10611210737l6796930eibbd12721570520ab@mail.gmail.com>

> > :  I think Plan 9 got it completely right. Being able to push a 0-byte
> > :  write through the kernel is mighty handy. I got quite annoyed with
> > :  Unix at various points over the years as I watched "optimizations"
> > :  gobble up my attempts to get a 0 byte write through the kernel.

Reminds me of OSes where you couldn't have a 0 length file.
Their designers couldn't imagine why anyone would perform
such a despicable act.

> but, seriously, it's the general issue that you need to tell something
> (program, io device, network, whatever) that you don't have anything
> to say, which is not the same as saying nothing.

I am waiting for someone to write a book with the title
"zero one two...0xffffffff: Facts and Explorations of Computer Science".


  parent reply	other threads:[~2006-11-21 16:49 UTC|newest]

Thread overview: 16+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2006-11-21  9:01 Fco. J. Ballesteros
2006-11-21 15:23 ` Dave Lukes
2006-11-21 15:37 ` ron minnich
2006-11-21 15:54   ` erik quanstrom
2006-11-21 16:35   ` Brantley Coile
2006-11-21 16:49   ` Bakul Shah [this message]
2006-11-24  4:06 ` Lyndon Nerenberg
  -- strict thread matches above, loose matches on Subject: below --
2006-11-20 19:15 [9fans] v9fs mounting in linux erik quanstrom
2006-11-20 22:35 ` Paul Lalonde
2006-11-21  0:27   ` ron minnich
2006-11-21  1:23     ` [9fans] Re: echo -n arisawa
2006-11-21  2:32       ` ron minnich
2006-11-21 17:36         ` Andrew Lynch
2006-11-21 17:35           ` andrey mirtchovski
2006-11-21 18:13             ` Axel Belinfante
2006-11-21 18:23               ` andrey mirtchovski
2006-11-21 18:31                 ` Axel Belinfante
2006-11-21 18:53                   ` Skip Tavakkolian
2006-11-22  1:32         ` dmr
2006-11-24  4:17           ` Lyndon Nerenberg
2006-11-24 16:24             ` Bruce Ellis

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