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Re: du -x option doesn't work

From: Jim Meyering
Subject: Re: du -x option doesn't work
Date: Wed, 01 Oct 2003 21:19:02 +0200

erno palonheimo <address@hidden> wrote:
> i noticed that -x option of du, which is supposed to make it stay
> inside one filesystem, doesn't apparently do anything.
> # du --version
> du (coreutils) 5.0.90

Please give more details, but note that
people often misunderstand how this option works.
I.e. `du -x DIR' reports only on files under DIR with the same
device number (file system) as the command line argument, DIR.

However, if you run `cd /; du -x *', it does the same thing for
each argument -- much as if you were to run `du -x S' for each name
matching `*' -- even if they're all on different file systems.

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