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Date: Sat, 2 Oct 2004 20:57:04 +0300
From: Giorgos Keramidas <keramida@freebsd.org>
To: Lee Harr <missive@hotmail.com>
Message-ID: <20041002175704.GB2230@gothmog.gr>
References: <BAY2-F27PUPeKljq65R00014185@hotmail.com>
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cc: freebsd-hackers@freebsd.org
Subject: Re: Protection from the dreaded "rm -fr /"
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On 2004-10-02 21:23, Lee Harr <missive@hotmail.com> wrote:
> >John Beck, who works for Sun, has posted an entry in his blog yesterday
> >about "rm -fr /" protection, which I liked a lot:
> >http://blogs.sun.com/roller/page/jbeck/20041001#rm_rf_protection
> >
> >His idea was remarkably simple, so I went ahead and wrote this patch for
> >rm(1) of FreeBSD:
>
> How about:
>
> chflags sunlnk /
> ?

Setting sunlink on / will only protect the / directory, not its
descendants, so you don't gain much.