Chapter 3 : Working with Users, Groups, and Permissions / Topic : Managing Users and Groups, Commands for User Management, Managing Passwords, Modifying and Deleting User Accounts, Configuration Files, Creating Groups, Using Graphical Tools for User, and Group Management / Content : Managing Users and Groups, Commands for User Management, Managing Passwords,Modifying and Deleting User Accounts, Configuration Files, Creating Groups, Using Graphical Tools for User and Group Management