Lock File from Read/Write even ROOT by admin | May 20, 2010 | Linux | 0 comments To make your file (test_file) immutable # chattr +i test_file # chattr -i test_file Submit a CommentYour email address will not be published. Required fields are marked *Comment * Name * Email * Save my name, email, and website in this browser for the next time I comment. CAPTCHA Code *