This module covers the concepts of users and groups and the tools used to create, modify and delete them on a local linux system.

Contents

1. Introduction to Users and Authentication
2. The passwd and group files
3. passwords
4. The shadow file and password aging
   
5. Adding, Modifying and Deleting groups
6. Adding, Modifying and Deleting users
7. Non-local accounts
8. Shell Initialization Files

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