Unix

A practical Unix user accounts guide with history, concepts, and a task-based cheatsheet covering inspection, creation, modification, groups, sudo, and troubleshooting.

A compact, example-driven guide to Unix signals: sending, catching, and mastering them in Bash and Python.

Turn your scripts into proper services with systemd (Linux) and launchd (macOS). Includes examples, templates, and best practices.

A practical tour of Unix’s oddball files — from /dev/null and /dev/urandom to /proc and sysctl — with real examples, source code links, and usage tricks.

Learn to write, install, and even repurpose man pages—without crying into your terminal.

How I gave my Intel Macs a second life by installing Ubuntu — step-by-step partitioning, setup, and driver tips for dual-booting macOS and Linux.

A portable, cross-platform Vim configuration with tips, power moves, and plugin setup for a consistent editing experience anywhere.

One-liner superpowers for real-world Unix troubleshooting.

A practical guide to the aliases I actually use — from time-saving ps shortcuts to smart clipboard tricks.

How to build, compile, and share your own custom fortune databases — and why the Makefile approach makes life easier.