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 (draft) posted 8 Sep 2026 update coming soon

hw0

Cool Cover ACM Magazine

crude_wc.c used in hw0

Lesson plan, Week1, Day1

Tanenbaum and Bos, slides for ch1 - INTRODUCTION, slides 1-22, 34-41

wikipedia 64-bit word machines

wikipedia client server

wikipedia all protocols by level

wikipedia 64 bit and earlier x86

cat z0.txt cat z1.txt, ls -la, hexdump -C z1.txt, w, top, ps -eF

David Huffman, 1952, slides for implementation of Huffman code for file compression in C

American Standard Code for Information Interchange (ASCII) chart

wikipedia article on unicode and extended code sets

wikipedia article on bitwise operations

sep12 reposted hw1 with subparts due sep15, sep17 and sep19; binary ops added

hw1 DELAYED posted Tues 8 Sept - NOW due Wed 16 Sept - submit to course directory - Q1 a-d 5 pts each, Q2 a many drawings 70 pts, b 10 pts

hw1 posted Tues 8 Sept - due Mon 14 Sept - submit to course directory - Q1 a-d 5 pts each, Q2 a many drawings 70 pts, b 10 pts

emacs reference card

endian.c with one correction and one expansion

Wikipedia has picture of memory layouts for Endianness

Grammar for C Code from K&R Appendix B

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

FIELD trip to server rm and Unix lab is Tues Nov 10 (was Oct 30 last semester) last half hour of class

Tue Nov18: wikipedia for Popek and Goldberg, 1974 paper