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  1. What does $$, $?, $^ represent in powershell? - Stack Overflow

    Nov 22, 2010 · 6 In PowerShell, a dollar sign preceding a name indicates a variable. The symbols in question are just special cases of variables provided by the PowerShell environment. They …

  2. What does the "@" symbol do in PowerShell? - Stack Overflow

    Dec 12, 2008 · I've seen the @ symbol used in PowerShell to initialise arrays. What exactly does the @ symbol denote and where can I read more about it?

  3. Can I get "&&" or "-and" to work in PowerShell? - Stack Overflow

    The quickest way to real frustration when learning PowerShell is to start by thinking that it is just an expanded CMD or bash. It has a fundamentally different model, epecially when it comes to …

  4. powershell - What's the command of call operator &? - Stack …

    Feb 22, 2017 · Surrounding a command with quotes will make PowerShell treat it as a string, so in addition to quotes, use the & call operator to force PowerShell to treat the string as a …

  5. how do I concatenate and join an array of strings with a delimiter …

    Feb 16, 2023 · how do I concatenate and join an array of strings with a delimiter in powershell? Asked 2 years, 4 months ago Modified 30 days ago Viewed 19k times

  6. What does the special character "!" mean in PowerShell?

    What does the special character "!" mean in PowerShell? Asked 11 years, 6 months ago Modified 2 years, 8 months ago Viewed 30k times

  7. What does $_ mean in PowerShell? - Stack Overflow

    Aug 16, 2010 · If you break down powershell to basics then everything is a script block including a script file a, functions and cmdlets. You can define your own parameters but in some …

  8. Invoke-Sqlcmd doesn't allow TrustServerCertificate

    Nov 9, 2023 · Fundamentally - unfortunately - there are two - technically distinct - Invoke-SqlCmd cmdlets: The obsolete Invoke-SqlCmd command from the obsolete SQLPS module. The …

  9. What does "%" (percent) do in PowerShell? - Stack Overflow

    It seems that the % operation starts script blocks after the pipeline, although about_Script_Blocks indicates the % isn't necessary. These all work just fine. get-childitem | % { write-host $_.Na...

  10. What is the difference between dot (.) and ampersand (&) in …

    Feb 13, 2019 · The difference between the . and & operators matters only when calling PowerShell scripts or functions (or their aliases) - for cmdlets and external programs, they act …