LPIC I Exam Cram™ 2: Linux Professional Institute Certification Exams 101 and 102

Chapter 12. Managing Users and Groups

Terms you’ll need to understand:

✓	Password database
✓	Profile
✓	Session
✓	User account
✓	User environment

Techniques you’ll need to master:

✓	Adding users and groups
✓	Modifying users and groups
✓	Removing users and groups
✓	Locking or disabling accounts
✓	Managing password files
✓	Repairing password files

The Importance of User and Group Management

The importance of user and group administration cannot be emphasized enough. Your system is a target and users are the bullets in the gun. All an attacker has to do is get a user to give the attacker his username or password and she can attempt penetration.

This chapter covers one of the really interesting areas of system administration—supporting users and groups, enabling access, setting ...