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Originally Posted by Alexander Turcic
How about setting important files immutable using chattr to prevent even "rm -rf" accidents?
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Alex, one of the things that makes the SHELL hack so dangerous is that it executes as the super user root. Since iRex didn't implement ACL's there is nothing you can do to protect critical system files from a root script.
Note: one of the nice/bad things about the Sony Reader is that the critical system files are in a read only filesystem. This kind of accident can't occur on the Sony, but you also have a bit more work to do 3rd party mods on the Sony. :-)
I also wonder if the iRex re-flash can recover from this kind of accident.