Official product documentation for PowerShell. What is PowerShell? Available editions, tools, and technology that supports PowerShell. Connect with other PowerShell users. Communicate with the …

$_ is an alias for automatic variable $PSItem (introduced in PowerShell V3.0; Usage information found here) which represents the current item from the pipe. PowerShell (v6.0) online documentation for …

PowerShell is a cross-platform (Windows, Linux, and macOS) automation and configuration tool/framework that works well with your existing tools and is optimized for dealing with structured …

Jul 23, 2025 · In this Windows PowerShell tutorial, you’ll learn everything from basic PowerShell commands to advanced scripting techniques. We’ll cover essential topics like how to run scripts, …

Apr 26, 2025 · PowerShell, like many programming and scripting languages, includes a set of special variables that are reserved for specific purposes. These variables often start with a dollar sign ($) …

Jan 7, 2019 · Another way of looking at PowerShell’s $_ is purely as a variable. After all, the dollar sign is PowerShell’s way of introducing any variable, not just this special ‘In this pipeline’ item.

Oct 30, 2023 · This guide provided a comprehensive deep dive on how $ works under the hood, patterns for utilizing it, performance implications, common mistakes to avoid, and best practices for …

Aug 2, 2024 · This chapter focuses on finding and launching PowerShell and solving the initial pain points that new users experience with PowerShell. Follow along and walk through the examples in …

Jul 7, 2025 · PowerShell is a cross-platform task automation solution made up of a command-line shell, a scripting language, and a configuration management framework. PowerShell runs on Windows, …

Feb 3, 2023 · Reference article for the PowerShell command, which opens the PowerShell console from a command prompt.