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dired-free-space-program default

From: Dave Love
Subject: dired-free-space-program default
Date: Thu, 05 Jun 2003 16:22:49 +0100
User-agent: Gnus/5.1003 (Gnus v5.10.3) Emacs/21.2 (gnu/linux)

I think the default for `dired-free-space-program' is wrong.  Running
`df' can cause serious trouble with the Nightmare File System, and may
be fairly slow anyhow.  I've several times fallen for running dired --
as root, and thus without my normal customizations -- on systems which
have NFS problems of some sort.  Then the invoked df can hang and may
make the system unusable with wedged mount attempts (in ways I don't
claim to understand).

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