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From: Barry Margolin <barmar@alum.mit.edu>
To: help-gnu-emacs@gnu.org
Subject: Re: Root emacs weirdness
Date: Sat, 21 Sep 2013 23:55:17 -0400	[thread overview]
Message-ID: <barmar-0B101C.23551721092013@news.eternal-september.org> (raw)
In-Reply-To: mailman.2682.1379808553.10748.help-gnu-emacs@gnu.org

In article <mailman.2682.1379808553.10748.help-gnu-emacs@gnu.org>,
 Bob Proulx <bob@proulx.com> wrote:

> notbob wrote:
> > While learning about linux gutz, I used emacs dired by root to edit
> > /proc/sys/kernel/dmesg_restrict file from a 1 to a 0.
> 
> Your misunderstanding starts with missing that the entire /proc is not
> a real filesystem.  It is a fake filesystem.  It is meant as a way to
> present kernel data to the user.  It is not intended to hold random
> files.  When you try to create backups in that directory the backup of
> the file can't exist there.

Perhaps backups should be inhibited by default for /proc.

-- 
Barry Margolin, barmar@alum.mit.edu
Arlington, MA
*** PLEASE post questions in newsgroups, not directly to me ***


      parent reply	other threads:[~2013-09-22  3:55 UTC|newest]

Thread overview: 4+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2013-09-21 11:22 Root emacs weirdness notbob
2013-09-22  0:08 ` Bob Proulx
     [not found] ` <mailman.2682.1379808553.10748.help-gnu-emacs@gnu.org>
2013-09-22  3:00   ` notbob
2013-09-22  3:55   ` Barry Margolin [this message]

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