• 4.1. Processes inside out
  • 4.1.1. Multi-user and multi-tasking
  • 4.1.2. Process types
  • 4.1.3. Process attributes
  • 4.1.4. Displaying process information
  • 4.1.5. Life and death of a process
  • 4.1.6. SUID and SGID
• 4.2. Boot process, Init and shutdown
  • 4.2.1. Introduction
  • 4.2.2. The boot process
  • 4.2.3. GRUB features
  • 4.2.4. Init
  • 4.2.5. Init run levels
  • 4.2.6. Shutdown
• 4.3. Managing processes
  • 4.3.1. Work for the system admin
  • 4.3.2. How long does it take?
  • 4.3.3. Performance
  • 4.3.4. Load
  • 4.3.5. Can I do anything as a user?
• 4.4. Scheduling processes
  • 4.4.1. Use that idle time!
  • 4.4.2. The sleep command
  • 4.4.3. The at command
  • 4.4.4. Cron and crontab
• 4.5. Summary
• 4.6. Exercises
  • 4.6.1. General
  • 4.6.2. Booting, init etc.
  • 4.6.3. Scheduling
  • Answer Key

Next to files, processes are the most important things on a UNIX/Linux system. In this chapter, we will take a closer look at those processes. We will learn more about:

• Multi-user processing and multi-tasking
• Process types
• Controlling processes with different signals
• Process attributes
• The life cycle of a process
• System startup and shutdown
• SUID and SGID
• System speed and response
• Scheduling processes
• The Vixie cron system
• How to get the most out of your system

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