Introduction to PowerShell
An object-oriented shell and automation language.
What PowerShell is, why it matters, and how to navigate this track.
PowerShell is a shell that passes objects, not just text — automation that understands your data.
What is PowerShell?
PowerShell is a cross-platform shell and scripting language from Microsoft.
Unlike traditional shells, its pipeline carries structured .NET objects, so you work with properties instead of parsing strings.
Your first example
Here is PowerShell saying hello. Read it top to bottom — every line earns its place.
Write-Output "Hello, world!"Hello, world!
Why learn PowerShell?
- Object pipeline beats fragile text parsing.
- Deep integration with Windows and Azure.
- Cross-platform — it runs on Linux and macOS too.
Where it is used
- Windows automation
- Azure & cloud scripting
- System administration
- CI/CD pipelines
How this track works
Every topic here has four views, switchable with the tabs at the top of each page:
- Learn — the clear, practical walkthrough you are reading now.
- Deep — every detail: edge cases, the full API, and what is really happening.
- Reference — a scannable, no-fluff lookup for when you already know the shape.
- Cheatsheet — the one-page summary, printable, for quick recall.
More like this
HTML Headings
h1 through h6 are the page’s table of contents. Use them for structure, never for size — that’s what CSS is for.
HTML Headings
h1–h6 are instances of HTMLHeadingElement. They take no special attributes — only the global set and ARIA — but there’s real depth in how they form the document outline and what you can do with them from JavaScript.
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