Chapter 2

Activities

1. New creates a new object. For instance, New-Item C:\foo\bar.txt will create an empty text file called bar.txt in the C:\foo directory. Add will add things to the existing object, so Add-Content C:\foo\bar.txt "PowerShell rocks my world" will add that string to the previously empty text file.
2. Just specify the -InputObject parameter like this: Get-Random -InputObject 20.
3. Use the -Prefix parameter. This is particularly useful when using remote sessions.

Exercises

1. Get-Content is correct. This is a bit of a trick question, as the Approved Verbs for PowerShell Commands web page says that Get should be reserved for getting information about an object, not its contents. Nonetheless, Get-Content is right, as we are getting the contents of a file and reserving it for future use as an object, as opposed to reading data from a remote resource such as a web page. Read-Host is an example of a cmdlet that reads things—in this case...