Mastering Windows PowerShell Scripting - Third Edition

Invoke-Command

Invoke-Command may be used with a PSSession to execute a command or script on a remote system:

$session = New-PSSession -ComputerName $env:COMPUTERNAME 
Invoke-Command { Get-Process -Id $PID } -Session $session

$env:COMPUTERNAME is localhostConnecting to a session requires administrative access by default. The preceding command will fail if PowerShell is not running with an administrative token (run as administrator). A PowerShell session with the administrator token can be started using the Start-Process powershell -Verb RunAs command.

Invoke-Command has a wide variety of different uses, as shown in the command help. For example, a single command can be executed against a list of computers:

Invoke-Command { Get-Process -Id ...