Access control lists provide more security options.

230: Filesystem: What Can They Do? Part 4.

Take Up Code is a podcast that explains computer programming topics through fun and engaging examples that you can relate to. The guided format allows you to gain valuable understanding of topics that will reinforce your studies, allow you to train new skills that you can apply on your job, and change your thinking about what it takes to become a professional programmer. The episodes are as short as possible so you can squeeze them into your daily routine.