CentOS Special Privileges Section Fifth

The first half of the class

The second half of the class

Special Permissions/Attributes

Chattr: Valid for both directories and files

Lsattr

Lsattr-d: View special permissions for the current directory

Lsattr-r: For the directory, see all the files under the directory has special permissions, troubleshooting RM-RF 234/deleted issues, directory under a file with special permissions can not delete the entire directory

Chattr +i 2.txt: Add permission, prohibit write to file, delete, rename

Chattr-i 2.txt: Remove Permissions

Chattr +a 2.txt can only append content echo ' xx ' >>2.txt cannot be renamed, cannot be deleted, can create file for directory

Chattr-a 2.txt

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CentOS Special Privileges Section Fifth