1. Operating Systems: Principles and Practice Cpr E 308
Welcome Aboard !

2. Course format Lectures given by Instructor (or TAs)
Student participation
Tentative tasks for students
9 lab assignments (each takes one week)
2 projects (each takes two weeks)
6 quiz
2 midterms
Final exam
5 homeworks (not required to submit)

3. Grading policy Labs: 25% Projects: 10% Quizzes: 20% 2 Midterms: 20%
Final: 25%
Participation (bonus): 3%

4. Labs and projects No late submission
Reports are due the week following your lab session
Submit to Canvas (electronic version)

5. Canvas Watch out for announcements Submit your labs and projects
View grades

6. Why do we learn OS?

7. A computer, and ……

8. More than a computer, and ……
Sensing devices and actuators
Internet-of-Things
Phones, GPS, Cameras, etc.

9. More than a computer, and ……
Missile Defense System
Cyber-assisted Critical Infrastructures

10. Tech Trend: Virtualization
Before Virtualization
After Virtualization
Idea:
Support multiple OS and their applications
Cloud services: Amazon EC2
Examples: VMWare, Xen, Parallel, etc.

11. Tech Trend: Wearable/Mobile/Networked/Distributed Apps
Webinar
Stock Information
On-line TV/Video
Group-based Apps: Google Docs, Multiplayer games

12. The core is OS!

13. Introduction A computer system consists of hardware system programs
application programs

14. What is an Operating System?
It is an extended machine
Hides the messy details which must be performed
Presents user with a virtual machine, easy to use abstractions
It is a resource manager
Each program gets time with the resource
Each program gets space on the resource

15. Operating Systems History
: Batch Systems – Cards
: Spooling Batch Systems – Tapes
1960- : Multiprogramming
1970- : Timesharing
1990- : Real-time, Distributed
2005-: WebOS/IoT/Mobile/Wearable/Implantable/Etc.
All programming was done in absolute machine language, vacuum tubes vs transistor