Custom Command Prompt Prompt

How to make a custom 2 line command prompt for all command prompts in Windows

Example
C:\WINDOWS\system32
> _

Steps

1. Right-click My Computer
2. Properties
3. Advanced system settings
4. Environment Variables button
5. New button under User variables for My User Name
6. Variable name: PROMPT
7. Variable value: $P$_$G$S
8. OK

Notes
Where $P$_$G$S is

$p = Current drive and path
$_ = ENTER-LINEFEED
$g = > (greater-than sign)
$s = space

Note: Tested in Windows 7, Windows Server 2008, Windows XP.

References
Prompt
http://technet.microsoft.com/en-us/library/bb490977.aspx