Overview of Windows PowerShell 3.0

Use an external command-line utility

Type the name of the command-line utility while inside Windows PowerShell.

Use multiple external command-line utilities sequentially

Separate each command-line utility with a semicolon on a single Windows PowerShell line.

Obtain a list of running processes

Use the Get-Process cmdlet.

Stop a process

Use the Stop-Process cmdlet and specify either the name or the process ID as an argument.

Model the effect of a cmdlet before actually performing the requested action

Use the -whatif argument.

Instruct Windows PowerShell to start up, run a cmdlet, and then exit

Use the PowerShell command while prefixing the cmdlet with & and enclosing the name of the cmdlet in curly brackets.

Prompt for confirmation before stopping a process

Use the Stop-Process cmdlet while specifying the -confirm argument.