# RHCSA 10.2: Default file permissions A umask for one user, and a default umask for everyone. ## Before you start The lab creates users `alice` and `bob` (password `Lab-Pass-1`), and notes the files in `/etc/profile.d/` so reset can take out the ones you add. ## Tasks 1. Make new files of user `alice` readable and writable only by her, persistently: `su - alice -c 'umask; touch t; ls -l t'` prints `0077` and `-rw-------`. 2. Make every user's new directories `rwxr-x---` by default: for a user without their own umask line, `su - bob -c 'umask; mkdir d; ls -ld d'` prints `0027` and `drwxr-x---`. `alice` keeps her own umask. ## Hints - `umask 077` in `~alice/.bashrc`. - `umask 027` in a file in `/etc/profile.d/` ending in `.sh`. Don't edit `/etc/profile` or `/etc/bashrc`.