Linux default file permission

Question

Is there someway to set the default file permission in Linux? That is, the file permission for a newly created file (regardless of the context for which it was created ). I know

Answer 1

Put the umask in the non-interactive shell startup (.bash_profile, .zshenv, .tcshrc depending on your shell). Then it'll run for non-login sessions.

Answer 2

If you want to affect the whole system, you can also put it in /etc/profile