Have you ever looked at the long strings of commands senior sysadmins manage servers and workstations with, and wished you could understand them? Maybe even looked at a manpage or two, and run away screaming? It’s easier than you think. We’ll take a beginner-friendly look at the how and why of text-processing tools like sed, awk, and grep on the command line. After half an hour of discussion and examples, you’ll have an intuitive grasp of what each tool does, and how to use it to your advantage.