Silly question regarding "du" and "df".

[Michael T. Richter]

On Fri, 2007-26-01 at 15:39 +0200, Marius Gedminas wrote:

> On Fri, Jan 26, 2007 at 05:45:48PM +0800, Michael T. Richter wrote:
> > Being who I am, I also run df and get this:
> > 
> > Filesystem             Size   Used  Avail Use% Mounted on
> > /dev/sda1               79G    38G    38G  50% /media/Repository80GB
> > 
> > Now I cannot for the life of me make the numbers add up.
> 
> That's because by default 5% of disk space in ext3 partitions is
> reserved and not included in the Avail column.  79G * 5% ~= 4G.  38G +
> 38G + 4G = 80G. The 1G difference is just rounding error, run df without
> -h to see the exact block counts.


OK, that makes sense.  It's not exactly the best-documented "makes
sense" thing I've ever seen, but it makes sense.  Thanks (everybody) for
the help.

-- 
Michael T. Richter
Email: ttmrichter at gmail.com, mtr1966 at hotpop.com
MSN: ttmrichter at hotmail.com, mtr1966 at hotmail.com; YIM:
michael_richter_1966; AIM: YanJiahua1966; ICQ: 241960658; Jabber:
mtr1966 at jabber.cn

"To [the Chinese], all other people are barbarians." --The Dalai Lama
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