GHOST / LINUX

Understand your system.

Linux is easier to work with when you know what is happening underneath. This is a growing collection of practical explanations.

Core concepts

Linux organises everything into a filesystem tree. Learn how paths, your home directory, and system directories fit together.

Understand read, write and execute permissions, ownership, and what commands like chmod actually change.

Learn what a running process is, how to inspect it, and how Linux manages programs.

Understand package managers, repositories, updates, and how software gets installed on your system.

Learn commands, arguments, pipes, redirection, and how your shell interprets what you type.