Topic
Beginners
6 tutorials tagged Beginners.
Linux & the Command Line
Absolute vs relative path in Linux: the Unix filesystem explained
How the Unix filesystem tree works, the difference between absolute and relative paths, and how to move around with pwd, cd and ls, plus the shortcuts /, ~, ., .. and -.
10 Nov 2026 · Linux · Bash · Beginners
Linux & the Command Line
Customize your shell: .bashrc vs .zshrc, aliases and the PS1 prompt
Why your aliases vanish when you close the terminal, which config file Bash and Zsh read at startup, how to make aliases and environment variables permanent, and how to change your prompt with PS1 or PROMPT.
10 Nov 2026 · Linux · Bash · Zsh
Linux & the Command Line
How the shell finds commands: PATH and environment variables explained
What really happens when you type ls: how the shell searches the PATH variable directory by directory, how to use which, why you see 'command not found', and how to add your own folder to PATH.
10 Nov 2026 · Linux · Bash · Zsh
Linux & the Command Line
Terminal vs shell: what's the difference? (Bash, Zsh, PowerShell explained)
Why it's called a terminal, what a shell actually does, how the terminal, shell, kernel and hardware fit together, which terminal and shell each OS uses, and why developers pick Bash or Zsh.
10 Nov 2026 · Linux · Bash · Beginners
Linux & the Command Line
The Linux directory structure explained: what /bin, /etc, /home, /var and /tmp are for
A beginner's map of the Unix and Linux filesystem: the root directory, what lives in /bin, /etc, /home, /usr, /var and /tmp, how macOS differs, and the two shortcuts (/ and ~) you'll use constantly.
10 Nov 2026 · Linux · Unix · Beginners
AWS & Serverless
Your first CloudFormation template: YAML anatomy and creating a stack (DynamoDB example)
A step-by-step walk through a minimal CloudFormation template in YAML: the Resources section, logical names vs real names, then creating, inspecting and deleting a stack in the AWS console, including the rollback option.
10 Nov 2026 · AWS · CloudFormation · DynamoDB
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