Computer Science 432/563
Operating Systems

Spring 2016, The College of Saint Rose

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Agenda

• Announcements
  • Lab 1: Unix and C Refresher due FRIDAY now
• Lecture 0x00 assignment recap
• Processes
  • Process creation, fork() system call
  • Process scheduling queues
• Lab 2: Programming Unix Processes and Threads in C out

Lecture 0x02 Assignment

Due at the start of class, Monday, February 1.

The readings for next class are SG&G Chapter 3, and start Chapter 4 if you have a chance.

Note that there is one problem below that does not need to be submitted, but two that do need to be submitted!

You need not submit answers to these questions, but you will have a chance to ask questions about them at the start of class.

• SG&G Practice Exercise 3.6, p. 150.

Please submit answers to these questions either as a hard copy (typeset or handwritten are OK) or by email to terescoj AT strose.edu by the start of class. Please use a clear subject line when submitting by email (e.g., CS 432 Lecture 0x02 Assignment , Joe Student). We will discuss these questions at the start of class, so no late submissions are accepted.

• SG&G Exercise 3.9, p. 151 (3 points)
• SG&G Exercise 3.12, p. 151 (2 points)

Examples

• forking
• forkbomb
• FreeBSD fork code
• FreeBSD run/ready queues
• FreeBSD context switch code