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DateSun, 17 Apr 2005 11:54:34 -0400
FromXin Zhao <>
SubjectWhy Ext2/3 needs immutable attribute?
Why not simply unset the write bit for all three groups of users? 
That seems to be enough to prevent file modification.

Immutable seems to only add one more protection level in case of
misconfiguration on standard access right bits.  Is that right?
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