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Class Calendar 2026

Notes contain additional materials and explanations to complement the official slides. You do not need to study the notes exhaustively for exams; the official slides are sufficient for revision. You are expected to attend lessons in person.

Exam Quiz Lab PA Extended Lecture No Lab Preparation

Week 1 (18 May)

TopicOS Introduction
TextbookSGG Ch. 1.1 to 1.6, 1.8.3, 1.13.3
NotesOS Introduction · OS Roles
Activities1.1 Process and Concurrency · 1.2 Functional View of OS

Extended Lecture Tuesday 11:00 to 11:30, LT1

Lab Introduction to Command Line (2% questionnaire, due this Sunday 23:59)

Preparation Getting started this week

  • Prepare a POSIX-compliant OS before lab (see Getting Started)

  • Read Introduction to C Part 1 if you want a smoother lab experience (structs, pointers, malloc). Recording on eDimension.

  • Form teams of 2 to 3 for PAs and lab checkoffs (same cohort). Sign up on eDimension by this Sunday, 23:59.

  • Join the ED discussion forum (link on eDimension)

Week 2 (25 May)

TopicOS Services and Structure
TextbookSGG Ch. 2.1 to 2.6, 2.7.1 to 2.7.3, 2.9.2
NotesOS Services · OS Design Structure
Activities2.1 Privileges and System Calls · 2.2 OS Structure

Extended Lecture Tuesday 11:00 to 11:30, LT1

No Lab No lab this week.

Preparation Read Introduction to C Part 2 (advanced memory allocation, static variables, function pointers, stack vs heap). Recording on eDimension.

Week 3 (1 Jun)

TopicProcess and Thread Management
TextbookSGG Ch. 3.1 to 3.3, 3.4.1, 3.6.1, 4.1 to 4.2, 4.3.1, 4.4, 4.5.1 to 4.5.2
NotesProcesses · IPC · Threads
Activities3.1 Multiprocess Program · 3.2 Kernel vs User Threads

No Lab Monday is a Public Holiday (no Monday lecture).

Extended Lecture Tuesday 11:00 to 11:30, LT1

No Lab No lab this week.

Preparation Read Introduction to C Part 3 (shared memory, signal handling, fork, process termination). Recording on eDimension.

Week 4 (8 Jun)

TopicProcess Synchronisation
TextbookSGG Ch. 6.1 to 6.4, 6.5.1, 6.5.2, 6.6.1, 6.8.1 to 6.8.2, 6.8.4
NotesSynchronization · Sync in C
Activities4.1 Semaphore Implementation · 4.2 Multiple Producers and Consumers · 4.3 Release vs Notify · 4.4 Peterson's Solution Correctness

Quiz Quiz 1: Tuesday, first 20 mins before extended lecture. Open book, Weeks 1 to 3 material.

Extended Lecture Tuesday 10:30 to 11:30, LT1

Lab TOCTOU Race Condition Attack (2% questionnaire due this Sunday 23:59 + 1% team checkoff by next Friday 18:00)

PA PA1 released. Read the handout. Join the GitHub Classroom assignment on eDimension by this Sunday 23:59.

Week 5 (15 Jun)

TopicDeadlock
TextbookSGG Ch. 7.1 to 7.4, 7.5.1, 7.5.3, 7.6.2, 7.7
NotesDeadlock
Activities5.1 Banker's Algorithm

Extended Lecture Tuesday 11:00 to 11:30, LT1

Lab Banker’s Algorithm (2% questionnaire due this Sunday 23:59 + 1% team checkoff by next Friday 18:00)

Week 6 (22 Jun)

TopicFile System
TextbookSGG Ch. 10.1, 10.2, 10.3.2 to 10.3.7, 10.6, 11.2.1
NotesFilesystem · Directories
Activities6.1 UNIX · 6.2 Linux File Operation

Quiz Quiz 2: Tuesday, first 20 mins of lesson. Open book, Weeks 4 to 5 material.

Extended Lecture Tuesday 11:00 to 11:30, LT1

PA PA1 due Tuesday 09:00. Push to GitHub before the cutoff.

Lab PA1 checkoff during lab slot. All members must be present and able to answer questions. Checkoff schedule on eDimension.

Week 7 (30 Jun): Recess Week

No Lab No classes. Test your Lockdown Browser under the Lockdown Browser Test Run tab on eDimension before the midterm.

Week 8 (6 Jul)

TopicNetwork Basics and Hierarchy
TextbookKR Ch. 1.1, 1.3, 1.5
NotesNetwork Basics · Internet Hierarchy
ActivitiesNS 1.1 Network Performance · NS 1.2 Priority Inversion

Exam Midterm Examination: Tuesday 10:00 to 12:00. Report by 09:45. Covers Weeks 1 to 6 material. Venues TBC.

No Lab Tuesday lecture cancelled due to midterm. No lab this week.

Week 9 (13 Jul)

TopicNetwork Performance, Delay and Throughput
TextbookKR Ch. 1.4
NotesNetwork Performance
ActivitiesNS 2.1 Delay and Throughput · NS 2.2 Internet Application

Lab Ping and Traceroute (2% questionnaire due this Sunday 23:59)

Week 10 (20 Jul)

TopicNetwork Security
TextbookKR Ch. 8.1 to 8.5
NotesNetwork Security · Applications of NS
ActivitiesNS 3.1 Public/Private Key Pair · NS 3.2 Symmetric Key · NS 3.3 The Birthday Problem

Quiz Quiz 3: Tuesday, first 20 mins of lesson. Open book, Weeks 8 to 9 material.

Lab Python Cryptography (2% questionnaire due this Sunday 23:59 + 1% team checkoff by next Friday 18:00)

PA PA2 released. Read the handout. Join the GitHub Classroom assignment on eDimension by this Sunday 23:59.

Week 11 (27 Jul)

TopicInternet Naming and Addressing
TextbookKR Ch. 2.1, 2.4
NotesDNS · DNS Records & Query
ActivitiesNS 4.1 DNS via lookup · NS 4.2 DNS via dig

No Lab No lab this week. Use the time to work on PA2.

Week 12 (3 Aug)

TopicClient-Server and the Web
TextbookKR Ch. 2.2, 2.7
NotesNetwork Application Layer · HTTP
ActivitiesNS 5.1 Space-time Diagram · NS 5.2 Be a Browser · NS 5.3 Webcache · NS 5.4 Wireshark and HTTP

Quiz Quiz 4: Tuesday, first 20 mins of lesson. Open book, Weeks 10 to 11 material.

Lab Web Server and Client / HTCPCP (2% questionnaire due this Sunday 23:59 + 1% team checkoff by next Friday 18:00)

Week 13 (10 Aug): Project Week

No new lecture content this week. Use the time to finish PA2.

PA PA2 due Tuesday 09:00. Push to GitHub before the cutoff.

Lab PA2 checkoff and HTCPCP lab checkoff during lab slot. All members must be present. Checkoff schedule on eDimension.

Week 14: Final Examination

Exam Final Examination: Thursday, 09:00 to 11:00.

  • Reporting time: 08:30

  • Covers: Weeks 8 to 12 material

  • Venues: TBC

See Policies for exam rules, LOA procedures, and cheat sheet guidelines.