Practical Linux Command Line 2.0 - Change a File’s Permissions (chmod)

The video tutorial covers file permissions in Linux, focusing on how to change permissions for users, groups, and others using commands like chmod and chown. It provides practical examples and exercises to help understand the concepts of read, write, and execute permissions. The tutorial also emphasizes the importance of using sudo carefully to avoid system issues. Key concepts include file ownership, permission modification, and the use of chmod for different user categories.

How can you set permissions so that only the owner can read and write a file, while others can only execute it?

How do you modify permissions for a file to allow group members to read and execute, but not write?

What is the purpose of the 'chmod' command?