os232

LINKS

Week 01

• Vim Tutorial for Beginners — An accessible introduction to Vim. This video will teach you all the basic commands you need to get started with Vim.
• Linux Command Line Tutorial For Beginners | Bash Terminal | Linux Terminal — A comprehensive playlist detailing various commands that are available in Linux. These videos go quite in-depth into each command so you should understand how and when to use them after watching.

Week 02

• Bash Scripting Tutorial for Beginners — An introduction to Bash scripting. Bash is an important part of linux and so understanding will help you work more efficiently.
• What are SSH Keys? — An overview of what SSH keys are, how they work, how to use them, and how to generate them. Week 2 of our OS course introduces us to cryptography and encryption, including learning how SSH keys work. So, this guide should help you understand them more.
• Encryption and public keys | Internet 101 | Computer Science | Khan Academy — A video that teaches you the basics of encryption and public keys. For the same reason as the previous link, this video should help you better understand how to safely transfer data over the internet.
• Asymmetric Encryption - Simply explained — A simple explanation for how asymmetric encryption works. An example of asymmetric encryption is SSH.
• Secret Key Exchange (Diffie-Hellman) - Computerphile — A video discussing how to safely exchange secret keys using the Diffie-Hellman method. A secret key is the piece of information that is used to encrypt and decrypt messages in a symmetric encryption.
• Public Key Cryptography - Computerphile — A video explaining the principles of public/private key cryptography.

Week 03

• tar command in Linux with examples — An article that explains how to create and extract tar files. Tar files are useful for sending files in a compact manner.
• Compiling a C Program: Behind the Scenes — An article that explains how to compile a C program and how it works behind the scenes.
• A Simple Makefile Tutorial — An article that explains how to use Makefile and its benefits. This simple tutorial can help you quickly remember how to make a make file if you forget.
• Copy Files and Directories in Linux — An article that explains how to copy files in Linux. Copying files in Linux is done through the cp command and this article goes in-depth explaining that command.
• Files & File Systems: Crash Course Computer Science #20 — A video that explains what files and file systems are, including the difference between them.
• 🔥 FUSE - what? why? where? | Eva Osherovsky — A video that explains what the FUSE file system is.

Week 04

• Secure Copy Protocol (SCP) in Linux: A Guide to File Transfer from Local to Remote Server —
  An article that introduces how to use the SCP command. The SCP command is used for copying files from a local machine to a remote server or vice versa. The syntax of scp is very similar to the cp command, with the main difference being that you have to specify the remote host’s DNS name and your username on that remote server. You can use this to help you with week 4’s pop quiz.

• How to get past the login page with Wget? —
  A StackOverflow answer that explains how you can download files from a website that requires you to authenticate or log in first. It explains that you need to log in first to get your session cookies, then you use those cookies for authentication to download your desired file. You can use this to help you with week 4’s pop quiz.

• How do you view file permissions? —
  A great and concise answer explaining what the numbers in a file permission mean and how to interpret them. It also explains the meaning of all 10 characters in a file permission. A short answer but it gets the point across really well.

Week 05

• What is virtual memory? —
  An article that summarizes what virtual memory is.

• Segmented, Paged and Virtual Memory —
  A video detailing the different types of memory. The types explained in the video are segmented, paged, and virtual memory.

• What is virtual memory? – Gary explains —
  A video explaining what virtual memory is. The video explains the background and how virtual memory works.

Week 06

• Fork() in C Programming Language —
  A detailed article explaining the fork function in C. The article explains how the fork function works and what it does. It also gives examples to help the reader understand better.

• How to use mmap function in C language? —
  An article that explains the mmap function in C. The mmap function is used to create shared memory between processes.

• Shared Memory —
  An article that explains how shared memory works. It also gives examples of a C program that uses shared memory.

Week 07

• What is the critical section problem in operating systems? —
  An article that introduces the critical section problem and gives some general solutions to it.

• Peterson’s Solution —
  An article that explains Peterson’s solution to the critical section problem.

Week 08

• Linux File System/Structure Explained! —
  A video that explains the various folders in the linux base directory.

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