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Level 4 Diploma in Cyber Security

Applying Operating Systems in practice: case studies

CYB406 · Operating Systems — Week 12 of 16

CourseCYB406
Week12 of 16
SemesterII
TutorOnline in the course chat

This week’s topics

Applying Operating Systems in practice: case studies

  1. Case analysis
  2. Linking theory to practice
  3. Evaluating evidence

What you will be able to do

  • 1.5 Analyse the different kinds of operating system that exist.
  • 1.6 Evaluate common trade-offs in resource management for operating systems.
  • 2.1 Compare different file system types.
  • 2.6 Analyse the difference between fixed and dynamic loading and linking strategies.
  • 3.4 Analyse the range of responsibilities an operating system has for managing the execution of processes.
  • 4.4 Analyse deadlock and race conditions as potential problems in concurrent processing settings and propose strategies to mitigate them.
  • 4.5 Evaluate the importance of low-level and high-level inter process communication.

Activity

Start with this week’s 3 videos, then: Case-study workshop: apply the unit’s concepts to a real or realistic case and evaluate the outcome.

Study materials

Videos

  • Installing Operating Systems - CompTIA A+ 220-1102 - 1.9 · YouTube · Professor Messer · 11 min · for registered students
  • Disaster Recovery vs. Backup: What's the difference? · YouTube · IBM Technology · 10 min · for registered students
  • Open Source Explained · YouTube · IBM Technology · 6 min · for registered students

Further resources

  • Producing Open Source Software, ch. 1: Introduction · PDF · Fogel, Producing Open Source Software 2e (v2.3300, 2023), ch. 1: what open source is, its history and how it differs from proprietary software, pp. 1–8 · for registered students
  • Workplace Software and Skills, 2.1: Software Basics · PDF · OpenStax Workplace Software and Skills (2023), 2.1: system vs application software, common business applications and installing software, pp. 60–63 · for registered students
  • Workplace Software and Skills, 2.1: Installing and Maintaining Software · PDF · OpenStax Workplace Software and Skills (2023), 2.1 on installing, updating and removing applications, p. 63 · for registered students
  • NCSC Cyber Aware: Top tips for staying secure online · PDF · UK NCSC Cyber Aware, one-page poster: updates, backups, passwords and two-step verification · for registered students
  • The simple economics of open source · Open-access article · Lerner & Tirole (2002), Journal of Industrial Economics. Why programmers contribute to open source and how it differs from closed source. · for registered students
Materials marked “for registered students” open in the student portal, which is set up as soon as you receive final acceptance.
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Course plan
  • Week 1: Why we need operating systems: from mainframes to today's d…
  • Week 2: What an operating system does: managing the CPU, memory, fi…
  • Week 3: OS architectures: monolithic, layered, microkernel and hybr…
  • Week 4: Memory management: logical vs. physical address spaces, all…
  • Week 5: Device drivers and file systems: files, folders and permiss…
  • Week 6: Processes and threads; process states and attributes; the p…
  • Week 7: Process management: creation, scheduling algorithms (FCFS, …
  • Midterm: Midterm evaluation
  • Week 9: Concurrency: independent vs. cooperating processes, shared …
  • Week 10: Pitfalls of concurrency: deadlock and race conditions, dete…
  • Week 11: Kernel programming lab: loadable kernel modules, system cal…
  • Week 12: Applying Operating Systems in practice: case studies
  • Week 13: Assignment workshop: research, planning and referencing
  • Week 14: Assignment workshop: drafting, feedback and improvement
  • Week 15: Review and coursework completion
  • Final: Final assessment and submission
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