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Date: Sun, 10 Jun 2007 21:34:27 +0800
From: "Wilkinson, Alex" <alex.wilkinson@dsto.defence.gov.au>
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Subject: Re: file(1) cannot detect UFS2?
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    0n Sun, Jun 10, 2007 at 12:41:31AM +0200, Ivan Voras wrote: 

    >I'm trying to use file(1) to detect file system type on partitions, and
    >so far it's working for any file system I've cared to try (the usual MS
    >and Linux list) *except* UFS2.

Not sure if what you're doing *has* to be done with file(1).
However, you can what you want like so:

    #dumpfs ad0s1a | head -1
    magic   19540119 (UFS2) time    Sun Jun 10 21:30:45 2007

 -aW

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