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Page Replacement Algorithms: Optimal page replacement, Not-Recently used page replacement,

First-in-first -out, least recently used random page replacement.

Unit 3: Principles of I/O Hardware: I/O devices, Device controlling.

(8 hrs)

Principle of I/O software: Goals of I/O software, Interrupt handlers, Device drivers, device - independent I/O software, user space I/O software. Deadlocks: Resources, deadlock modeling, the Ostrich algorithm, detection & recovery, deadlock

prevention, deadlock avoidance (Banker’s Algorithm)

Unit 4:

(8 hrs)

RAM disks: RAM disks H/W & S/W, overview of RAM disk driver. Disks: Disk H/W disk S/W (disk scheduling algorithms)

Terminals: Terminal H/W & S/W, Clocks H/W & clocks S/W File System: The user view of the file system: Files, directories, File system implementation: Implementing files with Contiguous, Linked list, index and index-nodes (UNIX), disk space management, Implementing directories, file storage, Directory structures, shared files, file

system reliability, consistency & performance.

Unit 5:

(8 hrs)

Security: security environment, flaws generic security attacks, user authentication, design

principles of security. Protection Mechanism: protection models

Protection

domains,

access

control

lists,

capabilities,

Text Books:

  • 1.

    Andrew S. Tanenbaum, "Modern Operating Systems", Prentice Hall

  • 2.

    Andrew S. Tanenbaum, "Operating System Design & Implementation", Second edition, Pearson Education

  • 3.

    Abraham Silberschatz, Peter Galvin, "Operating System Concepts", Fifth edition, Addison Wesley

Reference Books: 1. Garry Nutt, "Operating Systems A Modern perspective", Second Edition, Addison Wesley, 2000

  • 2.

    Milan Milenkovic, “Operating System: Concepts & design” - TMH publication

  • 3.

    William Stallings, "Operating systems", Prentice Hall, 1997

  • 4.

    Deital H.M., "Operating Systems", Addison Wesley, 2001

Term Work: The term work shall consist of at least 10 experiments/ assignments based on the syllabus above. Assessment of term work should be done which will consider the points below and the marks should be awarded accordingly.

  • *

    Continuous lab assessment

    • *

      Actually performing practicals in the laboratory during the semester

Practical Examination: The Practical Examination shall consist of writing and performing an experiment / assignment and oral based on the syllabus as per the journal record. Duration of examination is three hours.

Suggestive list of experiments:

  • 1.

    Simulate copy and more command

  • 2.

    Simulating First-fit and Best-fit method of partitioned memory allocation

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