1. IT344 – Operating Systems Winter 2011, Dale Rowe

2. IT344: Operating Systems Winter 2011 14: File Systems Dale Rowe (dale_rowe@byu.edu)dale_rowe@byu.edu 265C CTB Office Hours: Wed 10:00 – 11:00 Thurs 9:00 – 11:00 Fri 10:00 – 12:00 TA: Wade Boden (wade.boden@gmail.com)wade.boden@gmail.com (Tues: 9-11, Thurs 9-11, Fri 10-2)

3. The First Filing System?

4. Exercise In teams of 4-5, prepare a 4 minute presentation on one of the following file systems. 1.FAT 2.NTFS 3.EXT 4.HFS+ 5.JFS Consider: 1.Evolution of the file system type (ie. FAT12/16/32), NTFS v5 2.File structure and organization 3.ACL’s, permissions and security 4.Simultaneous access 5.Maximum drive size and file size limits

5. Operating System Case Studies In small teams, prepare a presentation on an Operating System topic. Presentation should last 15-20 minutes. You should: – Get people’s attention, – let them know the objective, – relate this to what they have learned about OS already, – include essential ideas in a way they can learn them, – look for clues that they are understanding (questions, discussion), – conclude in a way that will help them to remember.

6. Why? Life Long Learning Operating Systems are constantly changing. Use the following resources: – In and resources from assignment website: structure and basic principles. – In new and emerging developments. – In your own experience. The challenge of this assignment is having everyone in the class successfully grasp the main concepts in the limited time available. Prepare carefully, have fun.

7. How? Best way to learn, is to teach! – Learn. Understand the material. – Expand. Beyond the provided material. Supplement with other materials. – Teach. Effectively, creatively.

8. Resources Class text Additional material on case studies page Online sources Library, particularly journals (IEEE, ACM) Build your own library – buy books that will help you in your career Contact professionals in the field you are researching

9. Topics

10. Other Topics Any Distributed File System (ie. MS-DFS) NTFS Alternate Streams HFS Forks and OSX Metadata Windows Mobile 7 (kernel, memory management, FS, etc) Android (kernel, memory management, FS, etc) iPhone (kernel, memory management, FS, etc) Virtualization technology (specific) Clustering technology LDAP/Active Directory Gnutella/Bittorrent

11. Other Topics You may propose your own relevant topic. Ideally 4-5 people per group. E-Mail me your group member list and subjects by Saturday night. (dale_rowe@byu.edu)dale_rowe@byu.edu Assignment link will appear on syllabus by the end of the day. Graded on: – Creativity (Peer and Instructors) (1-4) – Understanding of Topic (Peer and Instructors) (1-4) – Quality (instructor and TA only) (1-4) – Team Participation (Yes/No)

12. Presentation Dates April 4 th and 6 th. (2 Per Day) Will spill over into lab time that week if we run out of time. Deliverables: – Presentation – May be on video (please contact me if you object to this)