📖 OS242 — OS242.
📖 Quick Reference —
Collection of cheat sheets, including awk, grep, sed, vim, and bash, for when you forget how to quit vim.
📖 TL;DR for Developer Documentation — Another collection of cheat sheets.
🛠️ RegExr: Learn, Build, & Test RegEx — A tool to visualize RegEx searches and what they mean. I regularly use this tool to check if my RegEx does what I want it to do. It provides a very intuitive explanation of what each character in the RegEx input means.
📖 Difference Between Copyright and Copyleft in FOSS — Copyright vs Copyleft in FOSS.
📖 Software Licenses in Plain English — There are a lot of software licenses available, from MIT License to GPL-3. This site gives a tl;dr on those licenses, listing what you can, cannot, and must do if you want to use a software license.
📖 OS Development Wiki — I have always wondered how operating systems work. This wiki provides numerous resources on how operating systems work. A recommended read if you want to try to make your own OS.
📖 Kernel in Operating System — An interesting read on what kernels are and different types of kernels.
📖 Learn the ways of Linux-fu, for free. — Plenty resources on linux stuff from basic command line until networking. It’s an excellent starting point for anyone new to Linux.
📺 What is PGP/GPG Encryption? In 3 Minutes - PGP/GPG Tutorial for Beginners — A simple and straightforward analogy on how GPG keys work.
📺 RSA Encryption From Scratch - Math & Python Code — Explanation of the maths behind RSA Encryption and a simple implementation of it in Python.
📖 Linux file permissions explained —
File permissions is the cryptic drwxr-xr-x when you do ls -al. This blog provides an explanation on how to read those file permissions in Linux.
📖 How to Set File Permissions in Linux? —
Another resource explaining file permissions in Linux and how to set it using chmod.
📖 chown Linux Command: File Ownership Guide —
Files have ownership. This blog explains how to set file ownership using the chown command in Linux.
📖 Classic SysAdmin: The Linux Filesystem Explained — Explanation on the structure of The Linux Filesystem. It gives an overview on what each directory mean and what they are used for.
📺 Linux Directories Explained in 100 Seconds — A short explanation on linux directories in a form of a 100 second video.
📖 LFS —