[TUHS] can't protect files from deletion v5,v6, or v7
dave at horsfall.org
Thu May 25 11:36:02 AEST 2017
On Wed, 24 May 2017, Mark Longridge wrote:
> Ok, I just did an experiment with the rm command and the results
> surprised me.
It's always been the case that you need write permission on the parent
directory; after all, it's what you are actually updating.
> Is there no way to completely protect files from being deleted?
Don't make the parent directory writable... And if your OS supports file
attributes I believe there's an "immutable" flag.
Dave Horsfall DTM (VK2KFU) "Those who don't understand security will suffer."
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