How to create hidden files in Linux?

Question

In my program, I have to make a file hidden in order to avoid removal or modification of the file.

PATH=/etc/
NAME = file

Is there a function in

Answer 1

You can just add a . to the front of the file name. Having said that if your goal is to not allow modification of the file change the permissions to something that can't be modified. Something like:

chmod 444 fileName