Data runs the world. Whether you’re building a website, analyzing customer behavior, or automating tasks, you’ll eventually need to store, retrieve, and manipulate data. That’s where MySQL comes in.MySQL is an open-source relational database management system (RDBMS) that enables efficient stora... Read All

LaTeX (pronounced La-tek or sometimes Lay-tek) is a document preparation system created by Leslie Lamport in 1984. It’s built on top of TeX, a typesetting system developed by Donald Knuth in 1978. But the story goes further back: TeX was based on troff, an even older system written by Joe ... Read All

Back in 1976, Bill Joy created Vi for the Unix operating system. The name comes from the first two letters of Visual, which makes sense. Before Vi, people used Ex, a line editor, which was itself an upgrade from an even older tool, Ed, built by Ken Thompson in 1971. Why “Visual”? Because back... Read All

Preface: This post is a quick tutorial about a specific tool or concept. What you read below is the essential knowledge you need to quickly learn to use this tool or concept. I publish these series under the name WTF Course. Quick Guide to Linux Terminal Commands: Debian/Ubuntu Only: sudo a... Read All