John Sellens john.sellens@senecapolytechnic.ca

Week 4 Class 2 September 28 - Socket Files and IOCTL's, More Debugging

September 28 - Lab 3 due - Week 3 - I/O Control

Follow the instructions in lab3.html

September 29 - Quiz 3 due - week 4 - advanced file I/O and sockets

October 5 - Lab 4 due - Week 4 - I/O Control - the Screen

Follow the instructions in lab4.html

October 6 - Quiz 4 due - week 5 - advanced file I/O and sockets

Lecture Notes Notes

• Class notes: pdfs/unx511_04_2.pdf
• See samples https://github.com/jsellens/unx511_samples/tree/main/week04_2
  • Or clone https://github.com/jsellens/unx511_samples

References

• Sockets tutorial https://www.linuxhowtos.org/C_C++/socket.htm
• https://github-pages.senecapolytechnic.ca/unx511/Week4/Week4.html

UNX511 NSC Class Links

• UNX511 NSC Assignments
• UNX511 NSC Labs and How to Submit Them
• UNX511 NSC Quizzes
• UNX511 NSC Main Page

References

• See UNX511 References

Tools

• See UNX511 Tools

Links

• UNX511 section NSC class schedule
• All UNX511 section NSC class notes
• UNX511 samples at github https://github.com/jsellens/unx511_samples
• Some UNX511 section NSC class samples - code, etc

• UNX511 Course Outline Fall 2025 -- https://www.senecapolytechnic.ca/ssos/findOutline.do?schoolCode=SICT&termCode=20253&subjectCode=UNX511
• UNX511 Course / Section Syllabus Summer 2025 https://syl.senecapolytechnic.ca/syllabi/2025-summer/unx511-nsb-8216/index.html
• learn.senecapolytechnic.ca - Blackboard
• Seneca Student VPN access information: https://students.senecapolytechnic.ca/spaces/186/it-services/wiki/view/1024/vpn
• SCPA student intranet - google "SCPA student seneca" or: https://students.senecapolytechnic.ca/spaces/281/school-of-computer-programming-analysis/home