// track · 15 parts

Wizardry of Bash

A magical journey where you summon commands from the terminal, sacrifice your sanity to syntax errors, and eventually discover that `rm -rf` was, in fact, a terrible idea. 🧙‍♂️💀.

Start at part 010 of 15 read — every post links to the next

Welcome to the track. Every part here is dedicated to the strange little world where computers stop being pretty and start being honest — the terminal. Bash has been quietly holding together servers, deployments, automation, and questionable late-night engineering decisions for decades, while GUIs take all the credit. Here, you'll learn to talk to your machine directly: navigating files, chaining commands, moving data around, writing scripts, and eventually making the computer do the boring stuff for you.

The rule of the track: every part must be a usable deep dive. No memorising a dictionary of flags you'll immediately forget — you'll learn by running commands, breaking things, fixing them, and building small projects along the way. Read in order; part 01 is the gateway. By the end, you should be comfortable enough in Bash to look at a terminal and think, “Yeah, I

Bash: The Prompt

Part 01 of a 15-part bash crash course: what a shell actually is, how to read the prompt, your first commands, and how to summon the ancient tome (the man page) when you forget the words.

Sep 29, 2026 · 5 min

Bash: On Every Machine

Part 02 of the bash crash course: getting a real shell on Windows (Git Bash vs WSL), what macOS's zsh switch means, and the keyboard habits — Tab, Ctrl-R, history — that make you fast.

Sep 29, 2026 · 4 min

Bash: The Spellbook

Part 03 of the bash crash course: the everyday file commands — ls, cd, cp, mv, rm and friends — plus glob wildcards, the closest thing computing has to actual magic.

Sep 29, 2026 · 4 min

Bash: The Hunters

Part 04 of the bash crash course: a deep dive into grep and find — searching text inside files and files inside machines — plus xargs, the spell that chains the hunt to the kill.

Sep 29, 2026 · 4 min

Bash: Pipes & Plumbing

Part 05 of the bash crash course: stdin, stdout, stderr — and how pipes and redirection turn twenty small commands into an infinite assembly line.

Sep 29, 2026 · 4 min

Bash: Labelled Boxes

Part 06 of the bash crash course: variables and quoting rules (the #1 source of beginner bugs), command substitution, environment variables, and how $PATH decides which spells you can cast.

Sep 29, 2026 · 4 min

Bash: Forks in the Road

Part 07 of the bash crash course: conditionals — if/elif/else, the test brackets and their gotchas, file existence checks, and case, the most readable spell in the book.

Sep 29, 2026 · 4 min

Bash: The Loop

Part 08 of the bash crash course: loops — for over globs and lists, while read over lines, C-style counting, break/continue, and the batch moves that turn an hour of clicking into one line.

Sep 29, 2026 · 4 min

Bash: The Spell Factory

Part 09 of the bash crash course: packaging logic into functions, feeding them arguments, returning codes instead of values, and the src-the-file trick that turns your terminal into a workshop.

Sep 29, 2026 · 5 min

Bash: Text Alchemy

Part 10 of the bash crash course: the text-processing battery — sed find-and-replace, awk column surgery, cut, sort, uniq, tr — and the pipelines that glue them into one-liners of mass productivity.

Sep 29, 2026 · 4 min

Bash: Defensive Wizardry

Part 11 of the bash crash course: making scripts trustworthy — the four-letter ward set -euo pipefail, trap for cleanup magic, and bash -x for seeing what the spell actually casts.

Sep 29, 2026 · 4 min

Bash: Jobs & Signals

Part 12 of the bash crash course: process control — background jobs with &, the Ctrl-Z suspend dance, fg/bg/jobs, kill and the signal ladder, nice, and nohup for spells that outlive their summoner.

Sep 29, 2026 · 4 min

Bash: The Custom Grimoire

Part 13 of the bash crash course: making everything permanent — the .bashrc file, aliases, functions you keep forever, and a two-line prompt upgrade that saves you ten questions a day.

Sep 29, 2026 · 4 min

Bash: The Wider Realm

Part 14 of the bash crash course: bash beyond your machine — SSH and keys, cron schedules, git hooks, and CI pipelines. The payoff chapter: why everything before this was worth it.

Sep 29, 2026 · 5 min

Bash: The Quest Board

Part 15, the finale of the bash crash course: six complete capstone scripts — bulk renamer, rotating backup, site monitor, project scaffolder, disk hunter, and a terminal quiz game — each built from the previous fourteen parts.

Sep 29, 2026 · 6 min

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