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 Introduction to Operating Systems!

Syllabus, posted 6 Aug 2025

hw0, posted 30 Aug 2025

crude_wc.c, C program used in hw0

hw0.5 coming soon

Tanenbaum and Bos, slides for Chapter 1

Kernighan and Ritchie, Programming in C, available online

Tanenbaum and Bos, slides for Chapter 2

Huffman slides

American Standard Code for Information Interchange (ASCII) chart

endian.c with one correction and one expansion

Wikipedia has picture of memory layouts

hw1.pdf posted (huffman characters and frequencies not in columns so difficult to read)

hw1.pdf reposted (with tables for data and codes)

Note: There is no C code problem in hw1, it was deleted to shorten the work due to the campus emergency, but graders will check that C code programs program1.c (below), program2.c (below) and endian.c (above) are in your course directory, have been compiled and were edited on the server with nano, emacs or vi(m) at least once

program1.c
program2.c