Re: Why Ext2/3 needs immutable attribute?

[dean gaudet]

On Sun, 17 Apr 2005, Xin Zhao wrote:

> Why not simply unset the write bit for all three groups of users? 
> That seems to be enough to prevent file modification.

another usage:  if you "chattr +i /var" while /var is unmounted, then root 
is unlikely to accidentally create files/dirs in /var -- and when you 
mount the real /var on top it works fine.  i tend to protect all my mount 
points this way (especially those in /mnt) to avoid my own dumb mistakes.

-dean
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