User contributions for Soma

5 October 2026

• 19:0519:05, 5 October 2026 diff hist −43‎ Operating Systems 2026F: Tutorial 4 ‎No edit summary current

4 October 2026

• 19:4719:47, 4 October 2026 diff hist +72‎ Operating Systems 2026F: Tutorial 4 ‎ →‎Setup
• 19:0719:07, 4 October 2026 diff hist +411‎ Operating Systems 2026F: Tutorial 4 ‎ →‎File Permissions
• 19:0419:04, 4 October 2026 diff hist +431‎ Operating Systems 2026F: Tutorial 4 ‎ →‎Background
• 19:0119:01, 4 October 2026 diff hist +13,553‎ N Operating Systems 2026F: Tutorial 4 ‎ Created page with "'''This tutorial is not yet finalized.''' In this tutorial you will learn about permissions, accounts, how logging in works, and ssh. ==Background== In UNIX and UNIX-like systems like Linux, kernel code runs in supervisor mode (ring 0 on x86-64) and user code runs in user mode (ring 3 on x86-64). When the CPU is in supervisor mode, all system resources can be accessed; when the CPU is in user mode, only a limited set of resources can be used, namely those that have be..."

2 October 2026

• 14:0214:02, 2 October 2026 diff hist +3,067‎ N Operating Systems 2026F Lecture 6 ‎ Created page with "==Video== Video from the lecture given on October 2, 2026 is now available: * [https://homeostasis.scs.carleton.ca/~soma/os-2026f/lectures/comp3000-2026f-lec06-20261002.mp4 Lecture 6] ==Notes== ===Lecture 6=== <pre> Lecture 6 --------- Signals What is a signal? - message from the kernel to a process - can originate from the kernel or from another process Idea: interrupt the process to handle an event - so a simple form of event handling, or more exception handl..." current

30 September 2026

• 23:3423:34, 30 September 2026 diff hist −5‎ Operating Systems 2026F: Assignment 1 ‎No edit summary current

27 September 2026

• 20:3120:31, 27 September 2026 diff hist −45‎ Operating Systems 2026F: Assignment 1 ‎No edit summary

26 September 2026

• 23:4323:43, 26 September 2026 diff hist +14,951‎ N Operating Systems 2026F: Tutorial 3 ‎ Created page with "In this tutorial you will be experimenting with and extending [https://homeostasis.scs.carleton.ca/~soma/os-2019f/code/3000shell.c 3000shell.c] (listed below). '''Make sure you use the original code from 3000shell for each question.''' ==Getting Started== You should download [https://homeostasis.scs.carleton.ca/~soma/os-2019f/code/3000shell.c 3000shell.c] on your openstack instance (or a Ubuntu Linux 21.04 system or similar). Compile it using the command gcc -O -g -..." current
• 16:5016:50, 26 September 2026 diff hist −168‎ Operating Systems (Fall 2026) ‎ →‎Tutorials current
• 16:4816:48, 26 September 2026 diff hist 0‎ Operating Systems (Fall 2026) ‎ →‎Assignments
• 16:4816:48, 26 September 2026 diff hist +11‎ Operating Systems (Fall 2026) ‎ →‎Lectures & Exams
• 16:4716:47, 26 September 2026 diff hist 0‎ Operating Systems (Fall 2026) Course Outline ‎ →‎Grading current
• 16:4716:47, 26 September 2026 diff hist +28‎ Operating Systems (Fall 2026) Course Outline ‎ →‎Grading
• 16:3416:34, 26 September 2026 diff hist +38‎ Operating Systems (Fall 2026) ‎ →‎Lectures & Exams
• 16:2816:28, 26 September 2026 diff hist −10‎ Operating Systems (Fall 2026) ‎ →‎Lectures & Exams
• 16:1516:15, 26 September 2026 diff hist +9‎ Operating Systems 2026F: Assignment 1 ‎No edit summary
• 16:1416:14, 26 September 2026 diff hist −1‎ Operating Systems (Fall 2026) ‎ →‎Assignments
• 16:1216:12, 26 September 2026 diff hist +45‎ Operating Systems 2026F: Assignment 1 ‎No edit summary
• 16:1116:11, 26 September 2026 diff hist −437‎ Operating Systems 2026F: Assignment 1 ‎ →‎Questions
• 16:1116:11, 26 September 2026 diff hist +10,334‎ N Operating Systems 2026F: Assignment 1 ‎ Created page with "Please submit the answers to the following questions via Brightspace by ???, 2026. There are 20 points in ?? questions. Submit your answers as a plain text file following [https://homeostasis.scs.carleton.ca/~soma/os-2026f/templates/comp3000-a1-template.txt this template]. Name your answer file "comp3000-assign1-<username>.txt" (where username is your MyCarletonOne username). Please make sure to use your correct student ID number otherwise your grades may not be prope..."

25 September 2026

• 21:1021:10, 25 September 2026 diff hist +7,571‎ N Operating Systems 2026F Lecture 5 ‎ Created page with "==Video== Video from the lectures given on September 24th and 25th, 2026 are now available: * [https://homeostasis.scs.carleton.ca/~soma/os-2026f/lectures/comp3000-2026f-lec05a-20260924.mp4 Lecture 5A] * [https://homeostasis.scs.carleton.ca/~soma/os-2026f/lectures/comp3000-2026f-lec05b-20260925.mp4 Lecture 5B] ==Notes== ===Lecture 5A=== <pre> Lecture 5a ---------- The memory map of a process - every process has its own view of memory, cannot see the memory of other..." current

24 September 2026

• 21:1421:14, 24 September 2026 diff hist +14‎ Operating Systems 2026F: Tutorial 2 ‎ →‎Setting up and connecting a VM current
• 21:1221:12, 24 September 2026 diff hist −20‎ Operating Systems 2026F Lecture 4 ‎ →‎Video current
• 21:1121:11, 24 September 2026 diff hist +2,182‎ Operating Systems 2026F Lecture 4 ‎ →‎Notes
• 17:4917:49, 24 September 2026 diff hist +11‎ Operating Systems 2026F Lecture 4 ‎No edit summary
• 17:4517:45, 24 September 2026 diff hist 0‎ Operating Systems 2026F Lecture 4 ‎No edit summary
• 17:4517:45, 24 September 2026 diff hist +332‎ N Operating Systems 2026F Lecture 4 ‎ Created page with "==Video== Video from the lectures given on September 22nd and 23rd, 2026 are now available: * [https://homeostasis.scs.carleton.ca/~soma/os-2026f/lectures/comp3000-2026f-lec04a-20260922.mp4 September 15th video] * [https://homeostasis.scs.carleton.ca/~soma/os-2026f/lectures/comp3000-2026f-lec04b-20260923.mp4 September 16th video]"

21 September 2026

• 19:1619:16, 21 September 2026 diff hist +137‎ Operating Systems (Fall 2026) ‎ →‎Tutorials
• 16:1816:18, 21 September 2026 diff hist −43‎ Operating Systems 2026F: Tutorial 2 ‎No edit summary
• 14:2514:25, 21 September 2026 diff hist +12‎ Operating Systems 2026F: Tutorial 2 ‎ →‎Setting up and connecting a VM
• 13:3313:33, 21 September 2026 diff hist 0‎ Operating Systems (Fall 2026) ‎ →‎Assignments

20 September 2026

• 15:0215:02, 20 September 2026 diff hist +77‎ Operating Systems 2026F: Tutorial 2 ‎No edit summary

19 September 2026

• 19:2619:26, 19 September 2026 diff hist −3‎ Operating Systems 2026F: Tutorial 2 ‎No edit summary
• 19:2619:26, 19 September 2026 diff hist −2‎ Operating Systems 2026F: Tutorial 2 ‎ →‎Tasks
• 19:2319:23, 19 September 2026 diff hist +40‎ Operating Systems 2026F: Tutorial 2 ‎ →‎C: Comparing C and assembly
• 19:2219:22, 19 September 2026 diff hist −1‎ Operating Systems 2026F: Tutorial 2 ‎ →‎C: Comparing C and assembly
• 19:2219:22, 19 September 2026 diff hist −37‎ Operating Systems 2026F: Tutorial 2 ‎ →‎C: Comparing C and assembly
• 19:2019:20, 19 September 2026 diff hist −236‎ Operating Systems 2026F: Tutorial 2 ‎ →‎B: Function calls, library calls, and system calls
• 19:1719:17, 19 September 2026 diff hist +48‎ Operating Systems 2026F: Tutorial 2 ‎ →‎Connecting to Openstack
• 19:1719:17, 19 September 2026 diff hist +55‎ Operating Systems 2026F: Tutorial 2 ‎ →‎Connecting to Openstack
• 19:1519:15, 19 September 2026 diff hist −17‎ Operating Systems 2026F: Tutorial 2 ‎ →‎Getting Started
• 19:1419:14, 19 September 2026 diff hist +28‎ Operating Systems 2026F: Tutorial 2 ‎ →‎Getting Started
• 19:1419:14, 19 September 2026 diff hist −80‎ Operating Systems 2026F: Tutorial 2 ‎No edit summary
• 19:1019:10, 19 September 2026 diff hist +9,291‎ Operating Systems 2026F: Tutorial 2 ‎No edit summary
• 18:5518:55, 19 September 2026 diff hist −4,171‎ Operating Systems 2026F: Tutorial 2 ‎No edit summary
• 18:4818:48, 19 September 2026 diff hist +37‎ Operating Systems 2026F: Tutorial 2 ‎No edit summary
• 18:3618:36, 19 September 2026 diff hist +15,855‎ N Operating Systems 2026F: Tutorial 2 ‎ Created page with "In this tutorial you will be learning the basics of command-line interaction in Linux. ==Getting Started== For this tutorial, you need to get access to a Linux or UNIX machine. We strongly suggest you use an SCS Openstack instance (see below). You'll need access to a system for the entire semester, ideally the same one. The concepts covered below are mostly part of standard UNIX/Linux tutorials. Feel free to consult one or more of them. However, remember that you..."

18 September 2026

• 16:0416:04, 18 September 2026 diff hist +190‎ Operating Systems 2026F Lecture 3 ‎No edit summary current
• 16:0316:03, 18 September 2026 diff hist +833‎ N Operating Systems 2026F Lecture 3 ‎ Created page with "==Video== Video from the lectures given on September 17th, 2026 [https://homeostasis.scs.carleton.ca/~soma/os-2026f/lectures/comp3000-2026f-lec03a-20260917.mp4 is now available]. There was no lecture on September 18th. ==Notes== <pre> Lecture 3A ---------- Processes - informally it is a running program On computers today, memory is byte addressible - byte is 8 bits, so a value between 0 and 255 (256 values) - memory is just an array of bytes Machine code (bina..."