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How do I make sure files can not be deleted or tampered by accident on a Linux even by the root user? Try http://www.cyberciti.biz/tips/linux-password-trick.html 

If you are using FreeBSD or OS X unix try http://www.cyberciti.biz/tips/howto-write-protect-file-with-immutable-bit.html

#security   #linux   #unix   #freebsd   #osx  

Linux Password Trick With Immutable Bit Using chattr Command

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