Browse - Computer Tips - How can I make a file undeletable?

Date: 2014jun18
OS: Linux
Keywords: protect

Q.  How can I make a file undeletable?

A.  Use "chattr +i" like this:

% touch test % chattr +i test % rm test rm: cannot remove "test": Operation not permitted
The +i flag of chattr makes a file immutable. Its handy for important files.