Chapter 1
System Management
Course: Comptia Linux Xk0 006
Subject: Comptia Linux Xk0 006
Chapter: Security
Identity management in Linux involves creating, modifying, and deleting user and group accounts, managing authentication policies, configuring shell environments, and enforcing security-related account settings. Proper identity management is crucial for maintaining accountability, access control, and system hygiene in multi-user environments.
1. Account Creation and Deletion
Effective management of user and group accounts is foundational to Linux system administration and security. By properly configuring accounts, administrators can enforce access control, user separation, and privilege restrictions.
1. User and Group Utilities
These are essential command-line utilities used for local account and group administration:
a. useradd – Create New User Account
The useradd command is used to create a new user along with options to specify their home directory, shell, UID, and more.
Basic Syntax:
bash
sudo useradd -m -s /bin/bash john