How to Make a File or Directory Immutable


This article provides a guide for how to make a file or directory immutable.

Background

Setting the immutable flag on a file or folder will prevent any changes to it. For folders, this means that no files or folders may be added to or removed from the immutable folder. However, files and folders in the immutable folder can be modified.

How to Make a File or Directory Immutable

To make a file or a directory immutable, use the "chattr" command with the "+i" flag.

chattr +i /path/to/file

How to Make a File or Directory No Longer Immutable

To make a file or directory no longer immutable, use the following command:

chattr -i /path/to/file

Conclusion

You now know how to make a file or directory immutable.

  • immutable, file permissions
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