2 FAQ tagged "write protect file"

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Howto: Linux Write protect a file
Q. How do I write protect a file under Linux? I’m using CentOS 5 server Linux operating system. I need prevent accidental changes to my files.
A. There are two ways to write protect a file under Linux.
Method #1: You can make file readonly by removing users’ write permission for a file. Under Linux and [...]
How to make a Linux File unchangeable ( unalterable ) so that no one can modify it
Q. How do I write protect file under Linux so that no one can modify it?
A. You need to use chattr command, which changes the file attributes on a Linux second extended file system. The chattr command supports various attributes.
A file with the i attribute cannot be modified: it cannot be deleted or [...]

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