• In Linux, every file, directory, and other system object has an owner and a group. This is the most basic, yet crucial, aspect of system security that keeps users safe from one another. Different sorts of access to read from, write to, and execute files may be allowed to owners, group members, and others. In Linux, this is commonly referred to as file permissions.
• It will use the following commands to manage ownership and establish permissions:
• Change the permissions on a file with chmod.
• chown is a command that allows you to change the owner of a file.
• chgrp stands for 'change group ownership.'
• id: print the IDs of the users and groups

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