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Date: Thu, 12 Mar 2009 20:07:35 -0700 (PDT)
From: Peter Steele <psteele@maxiscale.com>
To: Bruce Cran <bruce@cran.org.uk>
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Cc: freebsd-questions@freebsd.org
Subject: Re: What does df command use to get "Used" column?
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>Line 417 of /usr/src/bin/df/df.c: 
> 
>used = sfsp->f_blocks - sfsp->f_bfree; 

I keep forgetting that I can go directly to the source to answer questions like this. Thanks muchly; this is exactly what I need.