Computer Science 330
Operating Systems

Fall 2025, Siena University

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Agenda

• Announcements
  • The next readings/activities from OS zyBook: Chapter 7, due Friday, September 19
  • Lab 1: Unix Setup [HTML] [PDF] past due
• Q&A and looking at more exercises for OS zyBook Chapter 4
  • 4.3.1, 4.3.2, 4.3.3, 4.3.4, 4.4.1, 4.6.1, 4.6.2
• Programming Project 1: CPU Scheduler Simulation [HTML] [PDF] introduction
  • design for the fast-food restaurant DES model
  • a close look at this DES model

Terminology

• create process function
• destroy process function
• resource control block (RCB)
• allocated resource/free resource
• request resource function
• release resource function
• scheduler function