Chapter 1. UNIX System OverviewSection 1.1. IntroductionSection 1.2. UNIX ArchitectureSection 1.3. Logging InSection 1.4. Files and DirectoriesSection 1.5. Input and OutputSection 1.6. Programs and ProcessesSection 1.7. Error HandlingSection 1.8. User IdentificationSection 1.9. SignalsSection 1.10. Time ValuesSection 1.11. System Calls and Library FunctionsSection 1.12. SummaryExercises