Here is how you can check if Files and Folders exist using PowerShell. PowerShell has a built-in Test-Path cmdlet that you can run as a script file.

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Looking at the signature of a file quickly lets you know whether that file is really what it claims to be. Here's how to tap PowerShell to figure out the file signature.

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Looking at the signature of a file quickly lets you know whether that file is really what it claims to be. Here's how to tap PowerShell to figure out the file signature.