Contact:
100 Morrissey Blvd.
McCormack 3rd Floor
Rm 3-201-32
Computer Science Dept.
Boston, MA 02125-3393 USA

Email: jane.deblois'at'umb.edu

Lecturer

Welcome to CS444-01 and CS444-02 Introduction to Operating Systems!

Syllabus v3, posted 3 Feb 2026

Syllabus v4, posted 8 Feb 2026

hw0 posted Mon Jan 26 -- for practice using the CS servers

slides Tanenbaum and Bos, Chapter 1 INTRODUCTION

slides Huffman compression algorithm NOTE: the trees are reversed in these slides. I am working on an update.

American Standard Code for Information Interchange (ASCII) chart

lesson plan from week1

slides Tanenbaum and Bos, Chapter 2 Processes and Threads

crude_wc.c; endian.c

hw1 posted 5 Feb, due 12 Feb

textbk for Grammar, as of 5Feb see internet archive version of Kernighan and Ritchie (K&R) The C Programming Language, 1988, Ap A13 pages 235-239

slides Tanenbaum and Bos, Chapter 3 Memory

9feb: Smaller Huffman coding example posted on pizza - join to see (link is on syllabus) - only 48 out of 97 had joined as of yesterday - the example will help with hw1!!!!

proj1 posted mon 16 Feb, due sat 28 Feb

slides Tanenbaum and Bos, Chapter 4

slides Tanenbaum and Bos, Chapter 5