PSWho.ps1

<#
originally published at: 
https://gist.github.com/jdhitsolutions/3ecc6193ab0982d907c2db3f7d2bd15d
#>
Function Get-PSWho {
  
    [CmdletBinding()]
    Param(
      [switch]$AsString
    )

    if ($PSVersionTable.PSEdition -eq "desktop" -OR $PSVersionTable.OS -match "Windows") {
      
        #get some basic information about the operating system
        $cimos = Get-CimInstance win32_operatingsystem -Property Caption, Version,OSArchitecture
        $os = "$($cimos.Caption) [$($cimos.OSArchitecture)]"
        $osver = $cimos.Version

        #determine the current user so we can test if the user is running in an elevated session
        $current = [Security.Principal.WindowsIdentity]::GetCurrent()
        $principal = [Security.Principal.WindowsPrincipal]$current
        $Elevated = $principal.IsInRole([Security.Principal.WindowsBuiltinRole]::Administrator)
        $user = $current.Name
        $computer = $env:COMPUTERNAME
    }
    else {
     #non-Windows values
      $os = $PSVersionTable.OS
      $lsb = lsb_release -d
      $osver =   ($lsb -split ":")[1].Trim()
      $elevated = "NA"
      $user = $env:USER
      $computer = $env:NAME
    }

    #object properties will be displayed in the order they are listed here
    $who = [pscustomObject]@{ 
        User            = $user
        Elevated        = $elevated
        Computername    = $computer
        OperatingSystem = $os
        OSVersion       = $osver
        PSVersion       = $PSVersionTable.PSVersion.ToString()
        Edition         = $PSVersionTable.PSEdition
        PSHost          = $host.Name
        WSMan           = $PSVersionTable.WSManStackVersion.ToString()
        ExecutionPolicy = (Get-ExecutionPolicy)
        Culture         = $host.CurrentCulture
    }

    if ($AsString) {
      $who | Out-String
    }
    else {
      $who
    }
} #end Get-PSWho