Chapter 4. System Security and File Permissions

Terms You Need to Understand

  • User and group accounts

  • The superuser account

  • Absolute and symbolic access modes

  • The /var/adm/utmpx file

  • The /var/adm/wtmpx file

Concepts You Need to Master

  • Restricting and monitoring the superuser account

  • Monitoring user activities

  • Changing default and existing file permissions

  • Changing file ownership

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