On 2019-08-29 10:53, Jonathan Billings wrote:
On Thu, Aug 29, 2019 at 10:25:50AM -0500, Valeri Galtsev wrote:
root@point:/home/valeri # cd
root@point:~ # whoami
root
root@point:~ # rm -rf /
rm: "/" may not be removed
Somebody is really clever in this World ;-) Well, FreeBSD folks made my day
(again!). Note, that that I did on my live workstation (yes, I did test it
on throw-away system first ;-) - so I can copy and paste what I got to this
email.
GNU coreutils also has that feature, you can't run 'rm -rf /' there
either, you need to run it with --no-preserve-root. This was added to
Coreutils in 2003. Be careful in FreeBSD, if you have POSIXLY_CORRECT
defined, it will let you rm -rf /.
Yes, I know... and I'm far from "admiring foolproofness" of which there
is none... as [on FreeBSD]
rm -rf /*
does remove everything but "immutable" files, directories,... You can
not make anything fool proof (unless it is android that is actually not
owned by that fool no matter that the fool thinks it does ;-)
Valeri
--
++++++++++++++++++++++++++++++++++++++++
Valeri Galtsev
Sr System Administrator
Department of Astronomy and Astrophysics
Kavli Institute for Cosmological Physics
University of Chicago
Phone: 773-702-4247
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