PS C:\> sl c:\mytest
PS C:\mytest> dir


    Directory: Microsoft.PowerShell.Core\FileSystem::C:\mytest


Mode                LastWriteTime     Length Name
----                -------------     ------ ----
-a---          5/8/2007   7:30 PM       1000 myNewFile.txt


PS C:\mytest> del *.txt
PS C:\mytest> cd c:\
PS C:\> rd c:\mytest
PS C:\> dir c:\mytest
Get-ChildItem : Cannot find path 'C:\mytest' because it does not exist.
At line:1 char:4
+ dir  <<<< c:\mytest
PS C:\>