From: Vitaly Lipatov <LAV@VL3143.spb.edu>
To: community@altlinux.ru
Subject: Re: [Comm] Re: [Comm] Re: du ошибается...
Date: Tue, 17 Dec 2002 23:01:23 +0300
Message-ID: <200212172301.23351.LAV@VL3143.spb.edu> (raw)
In-Reply-To: <12419278731.20021217221144@udm.ru>
On Вторник 17 Декабрь 2002 21:11, ASA wrote:
> Hello Alexey,
>
> Tuesday, December 17, 2002, 5:49:09 PM, you wrote:
> >> 2. Запустите
> >> $ ./lseek 0x400000000 ~/tmp/empty
> >> 3. Сравните вывод от
> >> $ ls -lh ~/tmp/empty
> >> и
> >> $ du -h ~/tmp/empty
>
> AT> Идея понятна, только программа не работает. :(
> ....
>
> Ни к чему все эти программы, шелла хватит.
>
> dd if=/dev/zero of=/tmp/empty bs=1 count=1 seek=1000000000
>
> (только с числом нулей не переборщите)
Ваш пример физически запишет на диск столько нулей, а lseek -
только файл создаст такого размера, не выделяя под него иноды
(или что там). Вроде так?
--
Lav
Виталий Липатов
Санкт-Петербург
GNU! ALT Linux Team! LaTeX! LyX!
next prev parent reply other threads:[~2002-12-17 20:01 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2002-12-17 8:15 ` [Comm] Re: [sisyphus] " Dmitry V. Levin
2002-12-17 13:49 ` [Comm] " Alexey Tourbin
2002-12-17 18:11 ` [Comm] " ASA
2002-12-17 20:01 ` Vitaly Lipatov [this message]
2002-12-17 20:12 ` Michael Shigorin
2002-12-18 11:27 ` Alexander Kirey
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