This is why a handy PowerShell module called PSScriptAnalyzer was introduced by Microsoft. PSScriptAnalyzer is a free module that allows you to scan your scripts or modules for coding best practices.

One of the best new features in PowerShell 7 is the ability to perform parallel execution of script blocks, which can drastically reduce the amount of time it takes to process ForEach-Object loops.

Figure 2: This is an example of a report that was generated by the Hyper-V inventory script. As you can see in the figure above, the script writes the report to the machine's Documents folder.

PowerShell can save you a lot of time on Windows admin tasks, but to use it effectively you need to understand how it works. Here's a crash course in Windows PowerShell scripting basics to get you ...