Spring 2020 (01/27/2020 - 05/22/2020)

The semester has 15 class meetings including midterm and final exams. Clicking on a class day below, you should find the class module for the day including lecture notes, assignments, and others. The instructor releases the content for a class generally on the Monday before the class. However, the instructor often makes update to the module content after the initial release. You should check this page often for up-to-date content.

In case you encounter a problem when viewing class content, such as, a broken link, please report it to the instructor immediately.

Topics: overview of class organization; overview of operating systems including computer organization, computer architecture, operating system structures, resources management, and computing environments

Lecture Notes

Assignments

Online Quiz 1 on CUNY Blackboard (Due: before the class on Thursday, Feburary 6 on CUNY Blackboard)
Setting up a Linux system on a virtual machine and running the provided boot sector code (Due: before the class on Thursday, Feburary 13 on CUNY Blackboard)

Reading

Chapter 1 of the textbook

Online Discussion via Disqus (Experimental)

Topics: review of concept of interrupts and interrupt handling; Overview of I/O hardware; I/O schemes;

Lecture Notes

Assignments

Online Quiz 2 on CUNY Blackboard (Due: before the class on Thursday, February 13 on CUNY Blackboard)

Reading

Sections 1.2, 1.3, 1.7; Sections 12.1, 12.2, 12.3

Online Discussion via Disqus (Experimental)

Topics: OS functions and services; user OS interface; system calls; type of system calls; system calls and library functions; using system calls; system calls and APIs; system programs; overview of OS design and implementation; OS structure; OS debugging; building and booting OS

Lecture Notes

Assignments

Project 1: OS Abstraction on CUNY Blackboard (Due: In class February 27, 2020)

Reading

Sections 2.1 - 2.11

Topics: multithread architecture; comparison of multiprocess and multithread architectures; (time permits) thread libraries; (time permits) operating system thread libraries examples; (time permits) implicit threading; (time permits) implicit threading operating systems examples; (time permits) threading issues;

Lecture Notes

Assignments

Reminder: complete exercises assigned last week (Due: see due dates from last week)
Online Quiz 5 on CUNY Blackboard (Due: before the class on Wednesday, October 2 on CUNY Blackboard)

Reading

Section 4.1 - 4.7

Topics: basic concepts regarding multiprogramming; scheduling criteria; scheduling algorithms; thread scheduling; scheduling for multiprocessor systems; real-time scheduling; (time permits) operating system CPU scheduling examples; (time permits) algorithm evaluation

Lecture Notes

Reading

Sections 5.1 - 5.7

Topics: Miterm Exam is held 6:05 - 8:10 PM in Room 236 Ingersoll Hall Extension (236IA)

Topics: Race condition, critical section problem, Peterson's solution, limitation of Peterson's solution, hardware support for synchronization, test_and_set, compare_and_swap, acquiring and releasing locks via hardware instructions, meeting critical section requirements (mutual exclusion, progress, and bounded waiting)

Lecture Notes

Assignments

Reminder: (Group) Project 2 Quantifying Context Switching Cost. The description is on CUNY Blackboard. (Due: before the class on Wednesday, October 30 via Github Classroom)

Reading

Chapter 6, Sections 7.2 - 7.4

Topics: Concept of deadlock; necessary conditions; resource allocation graph; Banker's algorithm; the Ostrich algorithm; deadlock avoidance; (time permits) deadlock detection; (time permits) deadlock prevention; (time permits) recovery from deadlock;

Lecture Notes

Reading

Sections 8.1, 8.3, 8.4, and 8.6; (Optional) Section 8.2, 8.5, 8.7, and 8.9

Topics: Address binding; memory allocation; logical address; physical address; rellocation and limit registers; continuous allocation; paging; TLB; analysis of TLB; structure of page tables (hierarchical, hashed, and inverted), memory segmentation

Lecture Notes

Reading

Sections 9.1 - 9.4

Notice: College open but no class scheduled per the College's calendar for Spring 2020

Notice: College open but no class scheduled per the College's calendar for Spring 2020

Topics: Concept of swapping; concept of virtual memory; demand paging; copy-on-write; frame allocation; page replacement; thrashing; working-set model;

Lecture Notes

Assignments

Online Quiz 10 on CUNY Blackboard (Due: before the class on Monday, November 25 on CUNY Blackboard)
(Group) Project 3 Perfect Number on Multicore Systems (The Assignment is on CUNY Blackboard) (Due: Wednesday, December 4, 2019)

Reading

Section 9.5; Sections 10.1 - 10.6

Topics: I/O devices; I/O schemes; characterizing I/O devices; structure of I/O subsystems; (time permits) design of I/O subsystems

Lecture Notes

Reading

Sections 12.1, 12.2, 12.3, 12.4, and 12.5

Topics: file concept, access methods, disk and directory structure, file-system mounting, file sharing, file protection; (time permits) file-System structure, file-System operations directory implementation, allocation methods, free-space management, efficiency and performance, file system recovery;

Lecture Notes

Reading

Chapters 13 and 14

Topics: Overview of mass storage; HDD; NVM; optimization for HDD (HDD scheduling); optimization for NVM; reliability and efficiency; RAID; ZFS

Lecture Notes

Reading

Sections 11.1, 11.2, 11.3, 11.4, 11.8