PowerShell remoting runs commands on remote machines, over WinRM on Windows or SSH cross-platform. Two patterns:

• Invoke-Command — run a script block on one or many computers at once (fan-out), returning objects with the source machine attached
• Enter-PSSession — an interactive session on a single remote host

For long or parallel work, use jobs (Start-Job, -AsJob) or ForEach-Object -Parallel. Because results come back as objects, you can pipe and aggregate them as if they ran locally.

# Run on many servers at once
Invoke-Command -ComputerName web1, web2, web3 -ScriptBlock {
  Get-Service -Name 'w3svc' | Select-Object Status
}

# Interactive remote session
Enter-PSSession -ComputerName db1
# ... run commands as if local ...
Exit-PSSession

# Parallel local work
1..5 | ForEach-Object -Parallel { "Item $_"; Start-Sleep 1 } -ThrottleLimit 5

1. Use Invoke-Command to query a service’s status on multiple hosts (or localhost).
2. Note how PSComputerName identifies which machine each result came from.
3. Run a slow task as a background job with Start-Job and retrieve it with Receive-Job.
4. Compare Invoke-Command (fan-out) vs Enter-PSSession (interactive) use cases.

• ↗ Microsoft — about_Remote