On 06/26/2016 06:56 PM, westlake wrote: > According to chmod's manpage, > "chmod preserves a directory's set-user-ID and set-group-ID bits unless > you explicitly specify otherwise. You can set or clear the bits with > symbolic modes like u+s and g-s, and you can set (but not clear) the > bits with a numeric mode." > > contrary to documentation, chmod can otherwise clear sticky bits using > the octet notation but by using a 5th octal > > commands used, > mkdir abc > chmod u+s,g+s abc > chmod 0755 abc (no effect on the sticky bits) > chmod 00755 abc (sticky bits cleared using the 5th octal position)
The behavior of the 5th octal to intentionally specify that the otherwise leading 0 is intended to clear sticky bits is intentional, so the only bug here is in the documentation for not making the intended behavior more obvious. -- Eric Blake eblake redhat com +1-919-301-3266 Libvirt virtualization library http://libvirt.org
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