From owner-freebsd-hackers@FreeBSD.ORG  Tue Jul 29 08:24:06 2003
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To: Bogdan TARU <bgd@icomag.de>
In-reply-to: Your message of "Tue, 29 Jul 2003 17:19:07 +0200."
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Date: Tue, 29 Jul 2003 09:24:03 -0600
From: Drew Eckhardt <drew@PoohSticks.ORG>
cc: freebsd-hackers@freebsd.org
Subject: Re: file size different from ls to du 
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In message <20030729171356.M2453-100000@fw.office.icom>, bgd@icomag.de writes:
>(17:13) bgd@(bgd)[~/temp] ls -alsh my_file
>19120 -rw-r--r--  1 root  bgd  763M Jul 29 16:56 my_file
>(17:13) bgd@(bgd)[~/temp] du -sh my_file
> 19M    my_file
>
> So the 'ls -alsh' shows a file in size of 763M, but 19M of sectors are
>really 'occupied'. Can someone explain, please?

unix files can be sparse.

-- 
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For those who do, no explanation is necessary.  
For those who don't, no explanation is possible.